Quite the surprise about Paul Allen. I had no idea he had so many different health issues over the years. Heart disease and bouts with cancer, and yet he went on to accomplish so much.
Non-Hodgkin's lymphoma is bad stuff. My youngest son had non-Hodgkin's lymphoma and it finally went into recession last year. His doctor told him it will likely come back some day, and the second time around... Well, it will be bad.