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Professional organizations have traditionally recommended that gastroenterology fellows perform 140 colonoscopies before assessing competency.
Affecting nearly 30 million Americans, constipation increases health care costs and diminishes quality of life. Banny S. Wong, M.D., of the Department of Gastroenterology and Hepatology, discusses a phase II study of A3309.
Doctors at Mayo Clinic have studied and improved upon a noninvasive screening test that requires no preparation or procedure. The test detects cancer or precancerous polyps by measuring DNA in your stool.