Very sad.
I hope all of our male TVWBB-ers under 70-75 are getting their PSAs checked.
If you are going to get cancer, prostate cancer (statistically) is the best one to get. Relatively easy to detect and a lot of good effective treatments available.
But it still can be deadly if not caught early enough. Which is what appears to have happened with Ryno.
I had a pretty close call myself (getting diagnosed and treated for a serious disease in the middle of Covid is not ideal). But lucky for me it all worked out.