📚 Worth a read — Colorectal Cancer What is colorectal cancer?Colorectal cancer is cancer that develops in the tissues of the colon or rectum. Your colon and rectum are part of your digestive system:Your colon is the first and longest part of your large... via MedlinePlus: https://medlineplus.gov/colorectalcancer.html (Informational only — always check with your care team on anything medical.)