Colorectal Cancer Chemotherapy Recommendations Per Stage Chemotherapy is often used to treat patients with colorectal cancer, although not all stages require this type of treatment. Watch this clip and find out which stages of colorectal are commonly treated with chemotherapy. Colon Cancer Answers is a social media show where viewers submit a question and get the answer from an expert. Submit your question now at, This information should not be relied upon as a substitute for personal medical advice, diagnosis or treatment. Use the information provided on this site solely at your own risk.  If you have any concerns about your health, please consult with a physician.