Treatments for colorectal cancer

If you have colorectal cancer, your healthcare team will create a treatment plan just for you. It will be based on your health and specific information about the cancer. When deciding which treatments to offer for colorectal cancer, your healthcare team will consider:

  • the location of the tumour or where the cancer has come back (recurred)
  • the stage of the cancer
  • your general health
  • what you prefer or want

Treatments for colon cancer

Learn about treatment options for colon cancer. Surgery and chemotherapy are the most common treatments for colon cancer.

Treatments for rectal cancer

Learn about treatment options for rectal cancer. Radiation, chemoradiation and surgery are the most common treatments for rectal cancer.

Surgery for colorectal cancer

Surgery is used to treat colorectal cancer. Learn about local excision, bowel resection, and colostomy or ileostomy surgery.

Chemotherapy for colorectal cancer

Chemotherapy is commonly used to treat colorectal cancer. Learn how and when chemotherapy is used and which chemotherapy drugs and combinations are used.

Radiation therapy for colorectal cancer

Radiation therapy is most often used to treat rectal cancer. Learn about external beam radiation therapy and brachytherapy.

Targeted therapy for colorectal cancer

Targeted therapy is used to treat advanced colorectal cancer. Learn about types of targeted therapy drugs used to treat colorectal cancer.

Immunotherapy for colorectal cancer

Metastatic colorectal cancer is sometimes treated with immunotherapy. It helps strengthen the immune system to fight cancer.

Follow-up after treatment for colorectal cancer

Follow-up after colorectal cancer treatment varies. Learn about scheduled follow-up appointments and the tests and procedures that may be done.

Medical disclaimer

The information that the Canadian Cancer Society provides does not replace your relationship with your doctor. The information is for your general use, so be sure to talk to a qualified healthcare professional before making medical decisions or if you have questions about your health.

We do our best to make sure that the information we provide is accurate and reliable but cannot guarantee that it is error-free or complete.

The Canadian Cancer Society is not responsible for the quality of the information or services provided by other organizations and mentioned on cancer.ca, nor do we endorse any service, product, treatment or therapy.


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