I just read a brief article which discusses "sponge" sites versus "spreader" sites for metastasis. It suggests that bone tends to act like a sponge and prevent mets from spreading, whereas the kidneys and adrenal glands foster proliferation of metastases. This is very worrisome, as I have many new bone mets but also a new met on my adrenal gland, and I recall Blue Skies developed one there in the spring...
Here's the article:
Should I consider having the adrenal lesion radiated? Or is that a silly idea?