Staging is a method for evaluating the progress of colon cancer in a patient. That is, it looks at the colon cancer (tumor) and the extent to which the cancer has spread to other parts of the body. Once doctors know how the colon cancer, they may decide on the best treatment.

Today, the most widely used system for staging of colorectal cancer, the American Joint Committee on Cancer’s (AJCC) TNM staging system. This staging system places patients in one of the four phases (Phase I, Phase II, Phase III and Phase IV).
colon cancer types of cancer

American Joint Committee on Cancer (AJCC) Staging System

Stage 0 Colon Cancer in types of cancer

In phase 0, the colon cancer was found in the inner lining of the colon alone. Stage 0 colorectal cancer is also called carcinoma in situ.

Stage I Colon Cancer

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

Stage II Colon Cancer

In phase II, colon cancer extends more deeply into and / or through the colon or rectum. The colon cancer may have invaded nearby tissue. In phase II, it the colon cancer has not yet reached lymph nodes (lymph nodes are small bean-shaped structures found throughout the body that filter substances in a fluid call lymph to help fight infections and diseases. Another name for Stage II colorectal cancer or Duke B.

Stage III Colon Cancer

In Phase III, the colon cancer has spread to the lymph nodes, but has not been carried out to remote parts of the body. Another name for Stage III colorectal cancer or Duke C.

Stage IV Colon Cancer

In phase IV, the colon cancer has occurred through the lymphatic system to distant parts of the body. This is known as metastasis. The most likely organs to metastases of colorectal cancer are the lungs and liver. Another name for Stage IV colorectal cancer or Duke D.

Recurrent Colon Cancer or cancer types

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

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