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  1. Colorectal cancer - Wikipedia

    Colorectal cancer, also known as bowel cancer, colon cancer, or rectal cancer, is the development of cancer from the colon or rectum (parts of the large intestine). It is the consequence of uncontrolled …

  2. What Is Colorectal Cancer? | How Does Colorectal Cancer Start?

    Colorectal cancer is a cancer that starts in the colon or the rectum. Learn about the types of colorectal cancer, how they start, and where they grow.

  3. What is Colorectal Cancer? Symptoms, Risk Factors & Treatments

    Colorectal cancer is a cancer that begins in the colon or rectum. Colorectal cancers are the third most common type of cancer in the United States. More than 145,000 people in this country are diagnosed …

  4. Colorectal cancer is rising in younger adults. Here's who is most at ...

    1 day ago · WASHINGTON — Colorectal cancer is a threat not just to older adults but increasingly to young men and women, too. It’s now the top cancer killer of Americans younger than 50.

  5. Colorectal Cancer Basics | Colorectal Cancer | CDC

    Jun 12, 2024 · When cancer starts in the colon or rectum, it is called colorectal cancer. Sometimes it is called colon cancer, for short. The colon is the large intestine or large bowel. The rectum is the …

  6. Colorectal Cancer Is Rising in Younger Adults. Here’s What You Need …

    2 days ago · Across the United States, diagnoses are increasing among adults in their 20s, 30s, and 40s. Today, about 1 in 5 new colorectal cancer cases occurs in someone under 55. While overall …

  7. Colorectal Cancer—Patient Version - NCI

    Explore the links on this page to learn more about colorectal cancer prevention, screening, treatment, statistics, research, clinical trials, and more. Clinical advances, research findings, and NCI programs …

  8. Mayo Clinic Q and A: Understanding colorectal cancer

    Mar 26, 2025 · ANSWER: The term colorectal cancer combines colon and rectal cancer, two parts of the intestine. The first part of the large intestine is called the colon, and the last part refers to the rectum. …

  9. Colorectal and Lower Gastrointestinal Cancers: Symptoms to …

    Learn from MSK experts about the different types of colorectal and lower gastrointestinal cancers, including symptoms, causes, screening, treatment and more.

  10. Colorectal Cancer | Colon Cancer | Rectal Cancer | MedlinePlus

    Mar 5, 2024 · Colorectal cancer starts in the colon or rectum. It may not cause symptoms at first. Screening tests can help find it early, when treatment is most effective.