What are the causes of liver cancer?
Source: www.jeffersonhospital.org
Topic: Liver
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Sort Desciption: When cells in the liver become abnormal, grow out of control and form a cancerous tumor, the disease is called primary liver cancer, also known as malignant hepatoma or hepatocellular carcinoma. ...
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When cells in the liver become abnormal, grow out of control and form a cancerous tumor, the disease is called primary liver cancer, also known as malignant hepatoma or hepatocellular carcinoma. (Hepato means liver.) Primary liver cancer is not the same disease as cancer that spreads (metastasizes) to the liver from another part of the body (secondary liver cancer). The liver is often the site of secondary tumors that result from the spread of cancer from another organ, such as the colon or breast. The cancer cells in the secondary tumor are like those of the original cancer, the primary cancer, which is named for the part of the body in which it began. Thus, cancer that begins in the colon or breast and spreads to the liver is called metastatic colon cancer or metastatic breast cancer. What are the causes of liver cancer? The National Cancer Institute reports that, in the United States, primary liver cancer is uncommon. About 5,000 are diagnosed in this country each year, accounting for less than one-half of 1 percent of all cancers. In other parts of the world, however, primary liver cancer is one of the most common types of cancer and causes more deaths than any other type of cancer. Worldwide, this disease is a major health problem. Rates are highest in Asia and Africa and are believed to be related to infection with the hepatitis-B virus. Nearly 80 percent of primary liver cancer in the world is causally associated with persistent ...
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