| GTEX-1A8FM | 51-60 | Female | GTEX-1A8FM-1026 | Atrial appendage | PAXgene | 1 | 2 pieces: 1 with 50% fibrofatty internal component | Acceptable |  | 
                    
                        
                            | GTEX-1A8G6 | 61-70 | Male | GTEX-1A8G6-1826 | Atrial appendage | PAXgene | 1 | 2 pieces, no abnormalities, ~30% total  tssue is fat (delineated) | Acceptable |  | 
                    
                        
                            | GTEX-1A8G7 | 61-70 | Male | GTEX-1A8G7-2526 | Atrial appendage | PAXgene | 1 | 2 pieces | Acceptable |  | 
                    
                        
                            | GTEX-1AX8Y | 41-50 | Male | GTEX-1AX8Y-0326 | Atrial appendage | PAXgene | 0 | 2 pieces | Acceptable |  | 
                    
                        
                            | GTEX-1AX8Z | 51-60 | Male | GTEX-1AX8Z-1126 | Atrial appendage | PAXgene | 1 | 2 pieces; 1 piece contains 90% fat, other 5% | Acceptable |  | 
                    
                        
                            | GTEX-1AX9I | 61-70 | Male | GTEX-1AX9I-1026 | Atrial appendage | PAXgene | 1 | 2 pieces; 60% & 40% internal fat | Acceptable |  | 
                    
                        
                            | GTEX-1AX9J | 61-70 | Male | GTEX-1AX9J-0926 | Atrial appendage | PAXgene | 1 | 2 pieces, no abnormalities | Acceptable |  | 
                    
                        
                            | GTEX-1AX9K | 51-60 | Male | GTEX-1AX9K-0426 | Atrial appendage | PAXgene | 1 | 2 pieces; 5% & 10% internal fat | Acceptable |  | 
                    
                        
                            | GTEX-1AYCT | 51-60 | Male | GTEX-1AYCT-0526 | Atrial appendage | PAXgene | 0 | 2 pieces; one piece includes ~10% fat | Acceptable |  | 
                    
                        
                            | GTEX-1AYD5 | 51-60 | Male | GTEX-1AYD5-0526 | Atrial appendage | PAXgene | 1 | 2 pieces; less than 10% internal fat | Acceptable |  | 
                    
                        
                            | GTEX-1B8KE | 41-50 | Male | GTEX-1B8KE-0326 | Atrial appendage | PAXgene | 1 | 2 pieces, no abnormalities | Acceptable |  | 
                    
                        
                            | GTEX-1B8L1 | 61-70 | Male | GTEX-1B8L1-0426 | Atrial appendage | PAXgene | 1 | 2 pieces, no abnormalities | Acceptable |  | 
                    
                        
                            | GTEX-1B8SF | 61-70 | Male | GTEX-1B8SF-1326 | Atrial appendage | PAXgene | 1 | 2 pieces; fibromuscular tissue with ~20% internal fat | Acceptable |  | 
                    
                        
                            | GTEX-1B8SG | 41-50 | Male | GTEX-1B8SG-0726 | Atrial appendage | PAXgene | 1 | 3 pieces; includes 5-10% fat and attached and separate fragments of organizing blood clot | Acceptable |  | 
                    
                        
                            | GTEX-1B932 | 41-50 | Female | GTEX-1B932-1326 | Atrial appendage | PAXgene | 1 | 2 pieces; 1 piece includes ~5-10% fat | Acceptable |  | 
                    
                        
                            | GTEX-1B933 | 51-60 | Female | GTEX-1B933-0826 | Atrial appendage | PAXgene | 1 | 2 pieces, abundant epicardial fat, rep delineated | Acceptable |  | 
                    
                        
                            | GTEX-1B97J | 41-50 | Female | GTEX-1B97J-0326 | Atrial appendage | PAXgene | 1 | 2 pieces, no abnormalities | Acceptable |  | 
                    
                        
                            | GTEX-1B98T | 61-70 | Male | GTEX-1B98T-1326 | Atrial appendage | PAXgene | 1 | 2 pieces, no abnormalities | Acceptable |  | 
                    
                        
                            | GTEX-1B996 | 61-70 | Male | GTEX-1B996-1026 | Atrial appendage | PAXgene | 1 | 2 pieces; 1 piece is ~30% fibrous/~20% internal fat, 2nd also includes ~20% fat | Acceptable |  | 
                    
                        
                            | GTEX-1BAJH | 61-70 | Male | GTEX-1BAJH-1026 | Atrial appendage | PAXgene | 1 | 2 pieces; 5% to 20% internal fat | Acceptable |  | 
                    
                        
                            | GTEX-1C2JI | 51-60 | Male | GTEX-1C2JI-0626 | Atrial appendage | PAXgene | 0 | 2 pieces; 1 piece is ~15% fat, some interstitial fibrosis | Acceptable |  | 
                    
                        
                            | GTEX-1C64N | 51-60 | Male | GTEX-1C64N-0826 | Atrial appendage | PAXgene | 1 | 2 pieces; one is ~40% fibrous/fatty | Acceptable |  | 
                    
                        
                            | GTEX-1C64O | 61-70 | Male | GTEX-1C64O-0926 | Atrial appendage | PAXgene | 1 | 2 pieces, no abnormalities | Acceptable |  | 
                    
                        
                            | GTEX-1C6VQ | 51-60 | Male | GTEX-1C6VQ-0826 | Atrial appendage | PAXgene | 1 | 2 pieces; interstitial fibrosis, 25% of 1 piece is fat | Acceptable |  | 
                    
                        
                            | GTEX-1C6VS | 61-70 | Male | GTEX-1C6VS-1526 | Atrial appendage | PAXgene | 1 | 2 pieces; ~70% and 40% internal fibrous tissue and fat | Acceptable |  |