
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.
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).
Colon cancer - Symptoms and causes - Mayo Clinic
Dec 19, 2024 · Find out about symptoms and causes for this cancer that starts in the large intestine. Learn about treatment options, including minimally invasive surgery.
Colon Cancer: Symptoms, Causes & Treatment - Cleveland Clinic
Colon Cancer (Colorectal Cancer) Colon cancer, or colorectal cancer, refers to cancer that develops in polyps in the inner lining of your colon. It may not cause symptoms right away. Common …
Colorectal cancer - World Health Organization (WHO)
Feb 13, 2026 · WHO fact sheet on colorectal cancer, including risk factors, symptoms, treatments and prevention.
Colorectal Cancer | Colorectal Cancer | CDC
Colorectal Cancer Basics Learn about symptoms, risk factors, screening, and treatment.
Colorectal cancer: Symptoms, stages, & outlook - Medical News Today
Jul 9, 2025 · Colorectal cancer, also known as bowel cancer, colon cancer, or rectal cancer, refers to any cancer that affects the colon and rectum. Colorectal cancer may not cause symptoms in its early...
Colorectal Cancer—Patient Version - NCI
Colorectal cancer often begins as a growth called a polyp inside the colon or rectum. Finding and removing polyps can prevent colorectal cancer. Start here to find information on colon and rectal …
Colorectal Cancer Is Rising in Younger Adults. Here’s What You Need …
Feb 17, 2026 · 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 …
The Basics: What Is Colorectal Cancer?
Jun 24, 2025 · What is colorectal cancer? Colorectal cancer is a cancer that starts in the colon or rectum, which are parts of the digestive system. Unlike most cancers, colorectal cancer is often …