Your esteemed blogger is going in for a colonoscopy tomorrow. He is unenthused about the procedure, but even less enthused about possible alternative scenarios. He has conducted a careful cost-benefit analysis and the benefits win. This is not a case of a post containing Too Much Information - Professor Anderson has lost not one, but two, colleagues in past years, way too young, to colon cancer. If you're in the age brackets, get screened.
(Update: A-ok! and thanks for the good advice and wishes.)