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Colon and Rectal Cancer

Definition of colon cancer: Cancer that forms in the tissues of the colon (the longest part of the large intestine). Most colon cancers are adenocarcinomas (cancers that begin in cells that make and release mucus and other fluids). 
Estimated new cases and deaths from colon and rectal cancer in the United States in 2012:

New cases: 103,170 (colon); 40,290 (rectal)
Deaths: 51,690 (colon and rectal combined)

See the online booklet What You Need To Know About™ Cancer of the Colon and Rectum to learn about colon and rectal cancer symptoms, diagnosis, treatment, and questions to ask the doctor.

For an overview of research advances, see Cancer Advances In Focus: Colorectal Cancer.

Research and Related Information

Includes NCI-supported research, funding opportunities, and special reports

Related Pages

General Cancer Resources

  • Coping with Cancer: Supportive and Palliative Care
    Managing physical, emotional, and lifestyle effects of cancer and treatment on patients and families; also includes information on finances, insurance, and healthcare services.
  • Complementary and Alternative Medicine
    Healing philosophies, approaches, and therapies used in complementary and alternative medicine (CAM) in cancer care.
  • Learn About Clinical Trials
    Basic to advanced information for all audiences about clinical trials. Learn about what clinical trials are, why they are important, and why people choose to take part. Also, learn strategies for educating others about the importance of clinical trials.