There was a person who had their surgery filmed and it was surgeons who stated and share this fact of the heart is placed on the chest during aortic valve surgery. It does make sense due to the fact of where the aortic valve is located in the heart region, that they do this to replace the aortic valve with a tissue aortic valve or a mechanical valve. Ask your surgeon or cardiologist and they can explain why this is done. Not wrong statement, just sharing fact. Be nicer to people when they are sharing surgical facts.It was your statement that the heart is placed on the chest during the surgery. And your only support for it was your friend being emotionally impressed from watching the surgery video. I'm just saying that neither the statement, nor the supporting reasoning make any sense to me.
Please feel free to correct, but a blank statement "not a misinterpretation" is not going to convince me of anything.
Anybody can make a wrong statement, btw. My post wasn't meant to be personal, and I wish you did not take it this way.