Survival is directly related to detection and the type of cancer involved. Survival rates for early stage detection is about 5 times that of late stage cancers. Carcino-embryonic antigen (CEA) level is also directly related to the prognosis of disease, since its level correlates with the bulk of tumor tissue.
If the patient's colon cancer does not come back (recur) within 5 years, it is considered cured. Stage I, II, and III cancers are considered potentially curable. In most cases, stage IV cancer is not curable.
Please see the web pages for more details on Colorectal cancer.