Gosh, the poor guy will have some trying times in front of him, but I'm glad you are there for him and that he's improving somewhat. :]
I had a foster who, from what it sounds like, had a similar ailment. She made it through and went to live with one of my best friends. I was so ecstatic when she received a clean bill of health, and I'm hoping you will be able to experience that feeling, too.

Patron will continue to be in my thoughts, good vibes headed his way.