8cm of bone and the other surgery to get the autogenous graft from the leg may sound like a lot, but it is not as extensive as many have gone through, and are still around to talk about. At 80 years old though, it will not be any walk in the park. If I live to be 80, I will be both surprised and happy, but I think that even then, given a sound mind and a fighting chance to beat a particular disease, I would want to fight on. ( Realize of course that this is a 55 year old person IMAGINING what he will think in 25 years