Please have testosterone levels checked. I've talked about this here before, but that hormone could be trashed from scatter radiation to the master and commander gland the pituitary. Low T means it makes it even harder to put on muscle mass. Your milage may vary, as they say. but the test is simple and the solution does work for many

Brian, stage 4 oral cancer survivor. OCF Founder and Director. The first responsibility of a leader is to define reality. The last is to say thank you. In between, the leader is a servant.