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THE CANCER-TYPE LIBRARY · 32 GUIDES

Understand the diagnosis. Prepare your questions.

If you have just received a diagnosis—or you are helping someone you love—you do not need to make sense of everything at once. Start with a plain-language guide to the diagnosis, staging, treatment decisions, supportive care, and questions worth taking to the next appointment.

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Browse by area of the body

These plain-language groups help narrow the complete A–Z list.

1 cancer guide

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Showing: Digestive system · Letter C

Digestive system

Colorectal cancer

Colorectal cancer begins in the colon or rectum, usually after abnormal growths called polyps develop in the lining. Most cancers are adenocarcinomas. Screening can find precancerous polyps or cancer before symptoms appear. Possible signs…

Source information checked 2026-10-01Read guide

These guides provide general educational information. They cannot determine a diagnosis or treatment plan. Discuss symptoms, test results, and treatment decisions with qualified clinicians who know your situation.

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