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.
Your comment confused me since I thought you were saying the EFF was cancer at first.
I have never read the initialisation EFF as “eff” before but now… can’t unsee