What are the stages of colon cancer?
Colon cancer is separated into five stages. Stage 0 is carcinoma in situ. Stage 1 is cancer formed and moving in inner layer of the colon. Stage 2A is cancer in the middle layers Stage 2B is cancer spread to nearby organs. Stage 3 has spread to 4 or more nearby lymph nodes.Stage 4 is where cancer has spread to other parts of the body such as lungs or liver. For more information see here: http://www.cancer.