Anal cancer is a disease in which malignant (cancer) cells form in the tissues of the anus. The anus is the end of the large intestine, below the rectum, through which stool (solid waste) leaves the body. The anus is formed partly from the outer, skin layers of the body and partly from the intestine. Two ring-like muscles, called sphincter muscles, open and close the anal opening to let stool pass out of the body. The anal canal, the part of the anus between the rectum and the anal opening, is about 1½ inches long. The skin around the outside of the anus is called the perianal area. Tumors in this area are skin tumors, not anal cancer.

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Colorectal cancer, also called colon cancer or bowel cancer, includes cance ...
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Digestive Diseases Dictionary
... This dictionary defines words that are often used when talking or writing about digestive diseases. It is designed for people who have digestive diseases and their families and friends. The words are ...
Source: National Institute of Diabetes and Digestive and Kidney Diseases

Anal Cancer Treatment
... Recurrent anal cancer is cancer that has recurred (come back) after it has been treated. The cancer may come back in the anus or in other parts of the body. Treatment of recurrent anal cancer may incl...
Source: National Cancer Institute

   

Anal Cancer Articles

  • Anal Cancer Treatment
    ... Recurrent anal cancer is cancer that has recurred (come back) after it has been treated. The cancer may come back in the anus or in other parts of the body. Treatment of recurrent anal cancer may incl...
  • Anal Cancer Treatment
    ... Recurrent anal cancer is cancer that has recurred (come back) after it has been treated. The cancer may come back in the anus or in other parts of the body. Treatment of recurrent anal cancer may incl...
  • Digestive Diseases Dictionary
    ... This dictionary defines words that are often used when talking or writing about digestive diseases. It is designed for people who have digestive diseases and their families and friends. The words are ...
  • Fact Sheet 3.20
    ... Key Points Human papillomaviruses (HPVs) are a group of more than 100 types of viruses (see Question 1). HPVs are the major cause of cervical cancer. HPVs may also play a role in cancers of the anus, ...
  • Metastatic Cancer: Questions and Answers
    ... Key Points Cancer occurs when cells become abnormal and grow without control (see Question 1). The place where the cancer started is called the primary cancer or the primary tumor (see Question 2). Me...
  • Preguntas y respuestas acerca del cáncer metastásico
    ... ¿Qué es el cáncer? El cáncer es un grupo de diferentes enfermedades que empiezan en las células, la unidad básica del cuerpo para vivir. Normalmente, las células crecen, se dividen y reproducen a medi...
  • Tumor Grade: Questions and Answers
    ... Key Points Tumor grade is a system used to classify cancer cells in terms of how abnormal they look under a microscope and how quickly the tumor is likely to grow and spread (see Question 2). A pathol...

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