What is Colorectal Cancer? image

What is Colorectal Cancer?

Posted by

HealthTree

Last updated and reviewed on: July 09, 2026

This guide is a comprehensive resource designed to help patients and their loved ones navigate every stage of a colorectal cancer diagnosis. Learn what colorectal cancer is, recognize common signs and symptoms, understand risk factors, staging, diagnosis, and treatment options, explore clinical trials, and find practical resources for coping and making informed decisions throughout your care.

Colorectal Cancer Facts

Understand the basics of colorectal cancer, including how it affects the colon and rectum, common symptoms, and the different types and subtypes.

Colorectal Cancer Symptoms

Learn the common signs and symptoms of colorectal cancer, including bowel changes, blood in stool, and fatigue.

Risk Factors for Colorectal Cancer

Learn the key risk factors for colorectal cancer, including age, family history, lifestyle habits, and genetic conditions.

How is Colorectal Cancer Diagnosed?

Learn how colorectal cancer is diagnosed using biopsy, imaging, blood tests, and genetic testing to confirm cancer and guide treatment decisions.

Colorectal Cancer Prevention

Learn how to lower your risk of colorectal cancer with early screening, lifestyle changes, and prevention strategies, including colonoscopy and at-home tests.

Colorectal Cancer Screening

Learn when to start colorectal cancer screening, compare screening tests, and understand screening recommendations based on your risk.

Colorectal Cancer Stages

Learn how colorectal cancer is staged using the TNM system and stages 0–IV, including what each stage means for treatment and prognosis.

Colorectal Cancer Treatment

Learn how colorectal cancer is treated with surgery, chemotherapy, radiation, targeted therapy, and immunotherapy based on stage and tumor features.

Joining A Clinical Trial for Colorectal Cancer

Learn how to find and join clinical trials for colorectal cancer, including benefits, risks, eligibility, and what costs insurance may cover.

Colorectal Cancer Survival Rates

Is colorectal cancer curable? Explore the 2026 survival statistics, including the 98% overall 5-year relative survival rate and prognosis by stage.

Colorectal Cancer Support

Learn how to cope with colorectal cancer, including emotional support, mental health care, ostomy resources, and practical help for patients and caregivers.

Questions to Ask Your Doctor About Colorectal Cancer

Get a list of important questions to ask your doctor about colorectal cancer diagnosis, treatment, surgery, clinical trials, and support.

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