From his website stallman.org:
Richard Stallman has cancer. Fortunately it is slow-growing and manageable follicular lymphona, so he will probably live many more years nonetheless. But he now has to be even more careful not to catch Covid-19.
Recent video of him speaking at GNU 40 Hacker Meeting. Screenshots of video stream.
RMS is a hero he will survive. I really respect this dude commitment to his beliefs and values and everyone know that he is right despite any personal biases against him. Foss is the way.