The treatment of colon cancer depends on the stage of the disease. Stage I cancer is limited to the inner lining of the colon; stage II cancer involves the entire wall of the colon; stage III cancer has spread to the lymph nodes; stage IV cancer has spread to other organs (metastasized).
Updated by: Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.
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