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.

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.

There are 4 main stages of colon cancer, referred to as stages 1-4. Stage 4 colon cancer is metastatic colon cancer that has spread away to other parts of the body such as the liver, bones, or lungs.

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. …

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 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 …

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

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 …

Dec 2, 2025 · At MSK, treatment for colon cancer starts with a correct diagnosis. We’re here to help you take the first steps toward getting the best cancer care. You may be reading this because you’re …

Jan 2, 2025 · 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 imaging tests like CT, …