Donnajean,
Hope things are better today??? I can pass along a couple of things I was told by doctors.
The body when losing a lot of weight will begin eating your muscle mass first and save the fat for protection. This is what has happened to me and my legs especially. Also, this is why Brian talks about getting nutrition with things such as Ensure and Boost instead of my favorite I lived on "Cheesecake". No one ever explained the nutrition piece to us until I started chemo. The radiation docs just kept harping on weight.
The other thing I just heard (pun intended) from my NEW Ent was that radiation can also cause damage to the Eustation tubes and they don't drain as well as they used to. We are watching mine now to see if they will place tubes in them...just like they did my daughter when she was little. (I asked her if she was going to come down and stay with me for that - like I did her, she said IF I had any hair - I don't - she'd come wash it in the sink for me..that was a safe offer on her part)
Hope some of this answers your questions.
Dinah