Even just sitting at the breakfast table, he looked like he'd prefer to be having a colonoscopy.
The Wall Street Journal today has a big splash, "CT Scans Gain Favor as Option for colonoscopy."
For some mysterious reason, colonoscopy providers are not held to these same standards despite a similar rate of complications.
colonoscopy co·lon·os·co·py (kō'lə-nŏs'kə-pē)
Examination of the inner surface of the colon by means of a colonoscope. Also called coloscopy.