Carol, I had a peg and still lost 50 pounds, from 200 to 150 at 5'11". I was too heavy to start and too light at the end. Rad/chemo ended February 27, 2004. I regained up to 162 pounds but have now gone back down to 152. Don't know why at this point, but I know I'm not eating enough. I also experienced a lot of muscle loss and when I have the peg out will start exercising to try to get it back. How long since your sister finished her treatment? Did she have rad/chemo, or just surgery? Seems the rad/chemo contributes more to weight loss than surgery. Hope she gets her weight back soon.