Colon Cancer Staging

Staging is a method for assessing the progress of colon cancer in a patient. That is, it deals with the cancer (tumor) and the extent to which the cancer has spread to other parts of the body. Once doctors know how far along the cancer, they can decide on the best treatment method.

Today, the most widely used system for the staging of colorectal cancer is the American Joint Committee on Cancer's (AJCC) TNM staging system.This staging system provides to a patient (of four stages of Phase I, Phase II, stage III and IV).

American Joint Committee on Cancer (AJCC) staging system

Stage 0 Colon Cancer

In stage 0, the cancer in the innermost lining of the colon only found. Stage 0 cancer is also called carcinoma in situ.

Stage I Colon Cancer

In Phase I of the cancer has begun to spread, but is still in the innerLining of the colon or rectum. In Phase I of colorectal cancer has not reached the outer wall of the colon. Another name for Stage I colorectal cancer or Duke A.

Stage II Colon Cancer

In Phase II, extending deeper into the colon and / or through the colon or rectum. The colorectal cancer who have invaded nearby tissue. In Phase II, the cancer has not reached lymph nodes (Lymph nodes are small bean-shaped structures foundthroughout the body that filter substances in a fluid called lymph help fight infections and diseases. Another name for Stage II colorectal cancer or Duke B.

Stage III Colon Cancer

In stage III colon cancer has spread to lymph nodes but not to distant parts of the body was carried out. Another name for Stage III colorectal cancer or Duke C.

Stage IV Colon Cancer

In Phase IV, the cancer was conductedthe lymphatic system to distant parts of the body. This is called metastasis. The most likely organs to experience metastasis from colorectal cancer are the lungs and liver. Another name for Stage IV colorectal cancer or Duke D.

Recurrent colorectal cancer or cancer cells

Recurrent cancer is the return of cancer cells that have already been treated. The cancer cells could return as colorectal cancer, and / or return in anyanother part of the body.

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