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Liver (Hepatocellular) Cancer Screening

General Information About Liver (Hepatocellular) Cancer

Liver cancer is a disease in which malignant (cancer) cells form in the tissues of the liver.

The liver is one of the largest organs in the body. It has four lobes and fills the upper right side of the abdomen inside the rib cage. The liver has many important functions, including:

See the following PDQ summaries for more information about liver (hepatocellular) cancer:

Liver cancer is less common in the United States than in other parts of the world.

Liver cancer is uncommon in the United States, but is the fourth most common cancer in the world. In the United States, men, especially Chinese American men, have a greater risk of developing liver cancer.

Having hepatitis or cirrhosis can increase the risk of developing liver cancer.

Anything that increases the chance of getting a disease is called a risk factor. Having a risk factor does not mean that you will get cancer; not having risk factors doesn't mean that you will not get cancer. People who think they may be at risk should discuss this with their doctor. Risk factors for liver cancer include: