| 
                                  GTEX-18D9A
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-18D9A-1526 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               0
                             | 
                              
                               2 pieces; ductal and lobular units present; fat occupies 80% 
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-18D9B
                             | 
                            
                                  61-70
                             | 
                            
                                  Male
                             | 
                             GTEX-18D9B-0826 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; smaller piece has ductal and fibrous tissue with gynecomastoid changes; other piece is fibroadipose without ductal elements
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-18D9U
                             | 
                            
                                  41-50
                             | 
                            
                                  Male
                             | 
                             GTEX-18D9U-2326 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               4 pieces (fragmented), fibroadipose elements only
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-18QFQ
                             | 
                            
                                  21-40
                             | 
                            
                                  Male
                             | 
                             GTEX-18QFQ-0826 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; predominantly fat with 15 and 25% fibrous stroma with few ducts
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-19HZE
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-19HZE-0426 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; atrophic ducts and lobules; 60% fat content
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1A32A
                             | 
                            
                                  51-60
                             | 
                            
                                  Female
                             | 
                             GTEX-1A32A-1426 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; atrophic ducts in fibrofatty tissue with 80% fat content
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1A3MV
                             | 
                            
                                  21-40
                             | 
                            
                                  Male
                             | 
                             GTEX-1A3MV-1626 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               0
                             | 
                              
                               2 pieces; predominantly fat, 1 piece has small portion fibrocollagenous stroma (<10%)
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1A3MW
                             | 
                            
                                  61-70
                             | 
                            
                                  Female
                             | 
                             GTEX-1A3MW-0726 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; smooth muscle proliferation around ducts & lobules (fibrous mastopathy) in 1 piece with 80% fat; lobular microcalcifications; other piece is without mammary tissue, with 90% fat
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1A3MX
                             | 
                            
                                  61-70
                             | 
                            
                                  Male
                             | 
                             GTEX-1A3MX-2726 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces, fibroadipose elements, minute focus of ductal elements, delineated
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1A8FM
                             | 
                            
                                  51-60
                             | 
                            
                                  Female
                             | 
                             GTEX-1A8FM-2826 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               2
                             | 
                              
                               2 pieces; atrophic ducts and lobules in fibrous stroma
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1A8G6
                             | 
                            
                                  61-70
                             | 
                            
                                  Male
                             | 
                             GTEX-1A8G6-1926 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces, prominent stromal and ductal (rep delineated) gynecomastoid hyperplasia
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1A8G7
                             | 
                            
                                  61-70
                             | 
                            
                                  Male
                             | 
                             GTEX-1A8G7-2426 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; fat and fibrocollagenous tissue with several large vessels and nerve, no ducts seen
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1AMEY
                             | 
                            
                                  21-40
                             | 
                            
                                  Female
                             | 
                             GTEX-1AMEY-1026 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; fibroadipose tissue devoid of mammary parenchyma (in these cuts)
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1AMFI
                             | 
                            
                                  51-60
                             | 
                            
                                  Female
                             | 
                             GTEX-1AMFI-1126 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces, post menopausal atrophy; duct-lubular units ensquared (rep.); fibrous mastopathy
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1AX8Y
                             | 
                            
                                  41-50
                             | 
                            
                                  Male
                             | 
                             GTEX-1AX8Y-1026 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               0
                             | 
                              
                               2 pieces; predominantly stroma with large pacinian corpuscle, atrophy of fat
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1AX8Z
                             | 
                            
                                  51-60
                             | 
                            
                                  Male
                             | 
                             GTEX-1AX8Z-0926 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; adipose tissue with 1 duct [labeled]; 5% fibrous content
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1AX9I
                             | 
                            
                                  61-70
                             | 
                            
                                  Male
                             | 
                             GTEX-1AX9I-0726 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; fibrofatty tissue without ducts
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1AX9J
                             | 
                            
                                  61-70
                             | 
                            
                                  Male
                             | 
                             GTEX-1AX9J-1126 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces, all fibroadipose elements, no ductal structures noted
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1AX9K
                             | 
                            
                                  51-60
                             | 
                            
                                  Male
                             | 
                             GTEX-1AX9K-1926 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; scattered ducts (arrowed) in fibrofatty tissue
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1AYCT
                             | 
                            
                                  51-60
                             | 
                            
                                  Male
                             | 
                             GTEX-1AYCT-0926 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               0
                             | 
                              
                               2 pieces; predominantly fat with small portion of stroma, focal macrophages/reactive changes/fat necrosis
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1AYD5
                             | 
                            
                                  51-60
                             | 
                            
                                  Male
                             | 
                             GTEX-1AYD5-2526 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; predominantly fibrovascular stroma with 20% and 10% adipose tissue
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1B8KE
                             | 
                            
                                  41-50
                             | 
                            
                                  Male
                             | 
                             GTEX-1B8KE-1226 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces gynecomastoid stromal and ductal (rep delineated) hyperplasia
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1B8KZ
                             | 
                            
                                  51-60
                             | 
                            
                                  Male
                             | 
                             GTEX-1B8KZ-1526 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; 40% and 25% fibroadipose tissue and dense fibrous stroma with ductal structures suggestive of gynecomastoid  stromal and ductal hyperplasia
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1B8L1
                             | 
                            
                                  61-70
                             | 
                            
                                  Male
                             | 
                             GTEX-1B8L1-2426 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces, fibroadipose elements only
                             | 
                             
                               Acceptable
                             | 
                             |                        
                        
                    
                        
                            | 
                                  GTEX-1B8SF
                             | 
                            
                                  61-70
                             | 
                            
                                  Male
                             | 
                             GTEX-1B8SF-0226 | 
                            
                               Mammary tissue (breast)
                             | 
                            PAXgene | 
                             
                               1
                             | 
                              
                               2 pieces; predominantly fibrovascular tissue with minimal adipose tissue; no ductal structures present
                             | 
                             
                               Acceptable
                             | 
                             |