today, heather talked about losing her lower leg. although it s something that certainly i wouldn t wish upon myself or anyone else, you know, it s really not as bad as i thought it could have been. i really think i m going to be able to live my life in a normal way eventually when i get that permanent prosthesis. incredibly amazing thing to say. dr. sanjay gupta joins me now. sanjay, why did heather have to make this decision, and i know also that it was really her decision, right, not necessarily the doctor? that s right. typically, it is the patient s decision. i mean, look, there s going to be some situations where it s just a clear-cut decision, where it will be clear that the leg cannot be saved. on the other side of things, it s going to be very clear the operations are going to save the leg. what typically happens is you do all the things to restore the bone, stabilize the bone, repair the arteries and nerves, and then you sort of see how is the patient doing, and sometim