| 1. | Sigmoidoscopy examines the lower third while colonoscopy examines the entire colon.
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| 2. | -A yearly fecal occult blood test plus flexible sigmoidoscopy every 5 years.
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| 3. | A colonoscopy can replace getting a sigmoidoscopy if done once every 10 years.
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| 4. | _A fecal occult blood test and flexible sigmoidoscopy.
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| 5. | For most people, sigmoidoscopy should be done repeatedly starting at age 50.
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| 6. | Current tests for colon cancer include fecal blood testing, sigmoidoscopy and colonoscopy.
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| 7. | On colonoscopy or sigmoidoscopy polyps that vary in shape or size are present.
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| 8. | The modern, flexible sigmoidoscopy is less intrusive, but still there is resistance.
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| 9. | Repeat the fecal occult blood test annually and the sigmoidoscopy every five years, or
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| 10. | In sigmoidoscopy, the tube is inserted only about two feet up the colon.
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