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.

Understanding colon cancer stages and symptoms can make all the difference in treatment and prognosis. Learn about colon cancer staging from OSUCCC – James.

Feb 13, 2024 · The TNM classification for staging of colon cancer is provided below. See Benign or Malignant: Can You Identify These Colonic Lesions?, a Critical Images slideshow, to help identify 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. …

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 …

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 …

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 …

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 …

Staging refers to how far a cancer has spread. This will also help determine your treatment. Stage 1 and 2 colon cancer: Confined to the colon wall. Stage 3 colon cancer: Has spread to nearby lymph …