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90%以上的大肠癌发生在50岁以后。别以为只有男人才会得肠癌：男女差不多。50岁之后25%的人会生结肠息肉、其中20%的息肉或发展为肠癌。肠癌筛查可拯救至少60%以上的人死于肠癌。  文字说明: Screening for Colorectal Cancer: It’s the Right ChoiceOf cancers that affect both men and women, colorectal (colon) cancer is the #2 cause of cancer deaths in the U.S. But it doesn’t have to be. Screening tests can find this cancer early, when treatment works best. 23 million Americans are not up-to-date on screening. About 51,000 people die from colorectal cancer each year. Recommended screening could prevent at least 60% of these deaths! Screening can find polyps (abnormal growths) so they can be removed before turning into cancer. Screening should start at 50 and continue until age 75 for most men and women. There’s More Than One Test. You Have a Choice!High-sensitivity fecal occult blood test (Once a year)You do this test at home and send stool samples to a doctor’s office or lab. Flexible sigmoidoscopy (Every 5 years with FOBT every 3 years)The doctor looks for polyps or cancer in the rectum and lower third of the colon. Colonoscopy (every 10 years)The doctor looks for polyps or cancer in the rectum and the entire colon. Colon cancer or polyps may not cause symptoms, especially early on.Don’t wait for symptoms before you get screened! 别等到有症状时才去做筛查
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