Hi Heather,
I don't know about the talc procedure, and I'm sorry you're having pain. I kind of understand about the diet though. I was trying to do the Budwig diet for a few months prior to this (not as long as you were on the Macrobiotic diet I realize). Then I started radiation for a few bone mets and then WBR. Radiation has some effects on me that just make me not hungry and the WBR caused nausea. I dropped 20 lbs in a month, and while I'm not scary skinny, I haven't been so skinny since college. I decided to just eat what I could eat to get through this amount of time, because I wasn't going to let the cancer win this way. I'm like you and still try to avoid the big no-no's for the most part. I'm sorry you're having the problem with the diet community. I just wanted to let you know that I understand where you're coming from.
Raney