Richard Stallman reveals he has cancer in the GNU 40 Hacker Meeting talk [video]
Asking out of curiosity, not to be cruel: I wonder if he's willing to use medical equipment that uses non-Free software? To my knowledge, his stated position against using non-Free software is pretty much absolute; but given that medical equipment's software is almost universally non-Free, taking that stance here would seriously endanger his ability to receive necessary medical care.