Hereditary Colorectal (Colon) Cancer

Learn how a family history of colorectal cancer can affect your health.

CDC Health Topics A–Z 1 min read
This content is for informational purposes only. Always consult a healthcare professional.

Source: Centers for Disease Control and Prevention — Content from the Centers for Disease Control and Prevention (public domain).

A family of 8 people

About

Some colorectal cancers are caused by genetic changes passed down in families.

Learn More

Apr 13, 2026

A male scientist in a white lab coat examines a blood sample at a laboratory

Lynch Syndrome

Lynch syndrome is the most common cause of hereditary colorectal cancer.

Apr 13, 2026

A man speaks to a genetic counselor in her office

Genetic Counseling

Genetic counseling can help you make informed decisions about genetic testing.

Apr 13, 2026

A man talks to his doctor

Managing Risk

Medical options are available for managing cancer risk in people with Lynch syndrome.

Apr 13, 2026

A laboratory technician looks at blood samples in a machine

Genetic Testing

Genetic testing is available for Lynch syndrome.

Apr 13, 2026

A family talking while they eat lunch

Conversation Tips

Tell your family members if you have a diagnosis of Lynch syndrome.

Apr 13, 2026

a smiling man

Real Stories

Personal stories from people with Lynch syndrome.

Apr 13, 2026

⚠ Caution
Medical Disclaimer: This information is for educational purposes only. Always consult a healthcare professional for medical advice.