That would be (most likely) an absolute world record in surviving with a heart transplant. In 2016, someone died with a survival Guinness Record of 33 years [1]

That would be (most likely) an absolute world record in surviving with a heart transplant. In 2016, someone died with a survival Guinness Record of 33 years [1], your Aunt would exceed that quite far. Current (non-official) US record supposedly is 35 years [2]. I am not saying your are mistaken, just noting that she might be an outlier. [1] https://www.bbc.com/news/uk-england-beds-bucks-herts-35543696 https://www.bbc.com/news/uk-england-beds-bucks-herts-3554369... [2] https://www.wbay.com/2021/06/29/green-bay-man-nations-longest-living-heart-transplant-recipient/ https://www.wbay.com/2021/06/29/green-bay-man-nations-longes...