Surgery was unsuccessful, unfortunately.
Chemo and radiation don't really work either. They are going to put him in a clinical trial of immunotherapy. Apparently it is easier on the body than chemo, but I don't think the results are well documented. We just have to continue to be positive at this point.
Sounds like his doctors have recommended just cardio stuff for him. Any maybe that's fine. I don't think I will be able to convince anyone that he should be going against what his doctor's recommend. I don't want to press the issue at this point, we're just hopeful the treatment goes well.