Colon cancer screening

Cancer Imaging

Table 1 Recommended options for colorectal cancer screening in asymptomatic, average-risk individuals*

Starting at age 50
	Annual FOBT†
	Flexible sigmoidoscopy every 5 years
	Annual FOBT and sigmoidoscopy every 5 years
	Colonoscopy every 10 years
	Double-contrast barium enema every 5–10 years

*Winawer SJ, Fletcher RH, Miller L et al. Colorectal cancer screening: clinical guidelines and rationale. Gastroenterology 1997; 112: 594–642.
†The American Cancer Society does not recommend fecal occult blood testing (FOBT) by itself.

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