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How does a CT colonography check for colon cancer?

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CT colonography uses X-rays and computers to show your doctor pictures of your entire colon to analyze.

SOURCES:

National Cancer Institute: "Colorectal Cancer -- Patient Version." American Cancer Society: "Colorectal Facts & Figures," "What is Colorectal Cancer?" American College of Gastroenterology: "Colonoscopy FAQs."

Reviewed by Sabrina Felson on April 22, 2019

SOURCES:

National Cancer Institute: "Colorectal Cancer -- Patient Version." American Cancer Society: "Colorectal Facts & Figures," "What is Colorectal Cancer?" American College of Gastroenterology: "Colonoscopy FAQs."

Reviewed by Sabrina Felson on April 22, 2019

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How does sigmoidoscopy check for colon cancer?

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