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Colon Cancer Stages

Stage II
Stage II colon cancer is divided into stage IIA and stage IIB. In stage IIA, cancer has spread beyond the middle tissue layers of the colon wall or has spread to nearby tissues around the colon or rectum. In stage IIB, the cancer has spread beyond the colon wall into nearby organs and/or through the peritoneum.
 
Dukes' B is another name for stage 2 colon cancer.
 
Stage III
Stage III is divided into stage IIIA, stage IIIB, and stage IIIC.
 
Stage IIIA: Colon cancer has spread from the innermost tissue layer of the colon wall to the middle layers and has spread to as many as 3 lymph nodes.
 
Stage IIIB: Cancer has spread to as many as 3 nearby lymph nodes and has spread:
 
  • Beyond the middle tissue layers of the colon wall, or
  • To nearby tissues around the colon or rectum, or
  • Beyond the colon wall into nearby organs and/or through the peritoneum.
     
Stage IIIC: Cancer has spread to 4 or more nearby lymph nodes and has spread:
 
  • To or beyond the middle tissue layers of the colon wall, or
  • To nearby tissues around the colon or rectum, or
  • To nearby organs and/or through the peritoneum.
     
Stage 3 is sometimes called Dukes' C colon cancer.
 
Stage IV
In stage IV, the disease has spread to other parts of the body, such as the liver or lungs. Dukes' D is another name for stage 4.
 
Recurrent Colon Cancer
Recurrent colon cancer is cancer that was treated, could not be detected for a period of time, and then returned. The disease may return in the colon or rectum, or in another part of the body.
 
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