Molly.......I'm sorry to hear that your sister is feeling so poorly right now; however, it sounds all pretty normal in terms of recovery. It may take awhile, but your sister will get better, I promise! I was hospitalized two times after completing my radiation treatments and both times it was because I was dehydrated and very sick from that. I had no idea how sick that could make a person until that happend to me. Try and have your sister drink as many fluids as possible and if she has a feeding tube, drink all day long. I thought I was taking in enough liquid but I wasn't even close, finally a kind nurse sat me down and told me exactly how much I need to drink in order to say hydrated and feeling well. Once I began getting the necessary fluids in me I began to feel better and I was able to stay out of the hospital. I hope your sister begins to feel better soon! Keep us posted on her recovery. Sincerely, Donna