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Overview of Liver Tumors

By

Danielle Tholey

, MD, Sidney Kimmel Medical College at Thomas Jefferson University

Last full review/revision Aug 2021| Content last modified Aug 2021
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Topic Resources

Liver tumors may be noncancerous (benign) or cancerous (malignant).

Cancerous liver tumors are classified as primary Primary Liver Cancers Primary liver cancers are cancers that originate in the liver. The most common is hepatocellular carcinoma (hepatoma). At first, liver cancer usually causes only vague symptoms (such as weight... read more (originating in the liver) or metastatic Metastatic Liver Cancer Metastatic liver cancer is a cancer that has spread to the liver from elsewhere in the body. Weight loss and a poor appetite may be the first symptoms. Doctors base the diagnosis on results... read more Metastatic Liver Cancer (spreading from elsewhere in the body). Most liver cancers are metastatic. Cancers often spread to the liver because when cancer cells break away from cancer elsewhere in the body, they often enter and travel through the bloodstream, and the liver filters most of the blood from the rest of the body.

Noncancerous liver tumors are relatively common and usually cause no symptoms. However, rarely, these tumors cause discomfort in the upper right part of the abdomen or cause the liver to enlarge or to bleed into the abdominal cavity. Noncancerous liver tumors include

Did You Know...

  • Most liver cancers start in other parts of the body.

  • Most noncancerous liver tumors are detected by accident when an imaging test, such as ultrasonography, is done for another reason.

Cysts

Fluid-filled sacs (cysts) sometimes form in the liver. Most cause no symptoms or health problems. They are detected incidentally by imaging tests.

Occasionally, if cysts are very large, they can compress other organs and/or cause pain. In these instances, draining the cyst through the skin, with or without a surgical incision, may be done. However, cysts often recur. If the cysts recur and affect quality of life or cause other significant problems, doctors may recommend liver transplantation Liver Transplantation Liver transplantation is the surgical removal of a healthy liver or sometimes a part of a liver from a living person and then its transfer into a person whose liver no longer functions. (See... read more . However, this is rare.

Rarely, people are born with many cysts in the liver (a disorder called polycystic liver disease). Usually, these people also have cysts in other organs, such as the kidneys (a disorder called polycystic kidney disease Polycystic Kidney Disease(PKD) Polycystic kidney disease is a hereditary disorder in which many fluid-filled sacs (cysts) form in both kidneys. The kidneys grow larger but have less functioning tissue. Polycystic kidney disease... read more ). The liver enlarges but usually continues to function well.

More Information

The following are some English-language resources that may be useful. Please note that THE MANUAL is not responsible for the content of these resources.

  • American Cancer Society: Provides comprehensive information about liver cancer, including its symptoms, diagnosis, staging, and survival rates.

  • American Liver Foundation: Hosts community education programs that give an overview of all aspects of liver disease and wellness. Also provides access to support groups, information on finding a physician, and opportunities to participate in clinical trials.

NOTE: This is the Consumer Version. DOCTORS: Click here for the Professional Version
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Test your knowledge
Primary Sclerosing Cholangitis
Primary sclerosing cholangitis is inflammation with progressive scarring and narrowing of the bile ducts, both inside and outside the liver. People with which of the following gastrointestinal issues are prone to developing this condition?
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