American College of Gastroenterology

The recommendations of the American College of Gastroenterology (ACG) concerning screening endoscopy for Barrett's esophagus illustrates how a professional society's recommendations can be self-serving and contrary to best care.

Screening people between the ages of 50 and 75 for colorectal cancer is so effective at preventing deaths that the USPSTF gives it an "A" rating, higher than breast or prostate cancer screening.