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• n  a physician who specializes in diseases of the gastrointestinal tract

• Sarah Sallon, a pediatric gastroenterologist at Jerusalem's Hadassah University Hospital, was working with street kids in Calcutta in 1988, treating mostly dysentery, when she .
• In a procedure called a colonoscopy, a gastroenterologist uses a light-tipped fiber-optic instrument to examine the entire length of the large intestine.
• The best way to treat severe ulcers, according to Manhattan's famed gastroenterologist Asher Winkelstein, is to drip warm milk into a patient's stomach every minute of the day .

News & Articles

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• To manage opposing conditions, doctors balance risks and benefits of medications
  Dear Dr. Roach: In 2008, I was treated for prostate cancer with radiation. A couple of months later, I started passing blood during bowel movements. I went to a gastroenterologist, who found that my colon was 'burned' by the radiation.
  June 18, 2013 - Detroit News
• Dr. Roach: To manage opposing conditions, doctors balance risks and benefits of medications
  Dear Dr. Roach: In 2008, I was treated for prostate cancer with radiation. A couple of months later, I started passing blood during bowel movements. I went to a gastroenterologist, who found that my colon was "burned" by the radiation.
  June 18, 2013 - Lubbock Avalanche-Journal
• To Your Good Health: Colon ‘Burned’ By Radiation
  By Keith Roach, M.D. Dear Dr. Roach : In 2008, I was treated for prostate cancer with radiation. A couple of months later, I started passing blood during bowel movements. I went to a gastroenterologist, who found that my colon was “burned” by the radiation.
  June 18, 2013 - Valley News