The earliest stage of colorectal cancers is called stage 0 (a very early cancer), and then range from stages I (1) through IV (4). As a rule, the lower the number, the less the cancer has spread.

Jul 11, 2025 · Get a better understanding of the colon cancer stages, from 0 to 4. Also, learn about low grade vs. high grade cancer, symptoms, diagnosis, and much more.

Dec 20, 2025 · Colon cancer is diagnosed in stages, and the earlier it's detected, the better the prognosis. Stage 0 colon cancer is the earliest stage where the cancer hasn't grown beyond the …

In stage I colon cancer, cancer has formed in the mucosa (innermost layer) of the colon wall and has spread to the submucosa (layer of tissue next to the mucosa) or to the muscle layer of the colon wall. …

Jan 2, 2025 · What is staging for cancer? Staging is the process of learning how much cancer is in your body and where it is. For colon cancer, blood tests for tumor marker levels (CEA and CA 19-9), and …

Dec 2, 2025 · This guide will help you understand how colon cancer is diagnosed and what your diagnosis means. Learning as much as you can may help you feel ready to talk with doctors about …

Oct 28, 2025 · What does staging mean? Colorectal cancer is diagnosed as either stage 0, stage I, stage II, stage III, or stage IV. The higher the number, the more the cancer has spread. Cancer can …

Dec 2, 2025 · Staging means finding out how far colon cancer has spread in your body. Physicians group colon cancers into stages I (1) through IV (4), with stage I being the least advanced and stage …

Jan 3, 2026 · Your educational guide during a colon cancer diagnosis, including what to expect for screening, staging, treatments and managing side effects.

Feb 25, 2024 · When doctors talk about the “stage” of your disease, that’s based on how far it has spread through the walls of the colon or rectum and whether it’s now in other parts of the body, too. …