Stages of cancer

Stages of cancer

The staging of a carcinoma has to do with the size of the tumor, and the degree to which it has penetrated. When the tumor is small and has not penetrated the mucosal layer, it is said to be stage I cancer. Stage II tumors are into the muscle wall, and stage III involves nearby lymph nodes. Stage IV cancer has spread (metastasized) to remote organs.

Version Info

  • Last Reviewed on 01/25/2013
  • Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Senior Physician, Massachusetts General Hospital.

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This page was last updated: September 18, 2013

         
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