Makes a change from virtual colonoscopy :-)
Unlike other authors, this group found that in their series, technical errors were more common than perceptual errors, and the majority of missed polyps were in the proximal colon.
Thompson, Foster, Paulson et al
Causes of Errors in Polyp Detection at Air-Contrast Barium Enema Examination
Radiology April 2006;239:139-148.
Here is brief motivational video by Dr Sumer Sethi, author of motivational book, Fire in the Belly In this video he talks about value of smaller victories ...