2. Symptoms

HCAs almost always develop in the right hepatic lobe. Fewer than half of the people with an HCA report pain and many are asymptomatic, though a noticeable mass may appear if the growth is large. Usually, only one hepatic adenoma develops. Multiple benign tumors throughout the liver is a different condition called liver cell adenomatosis, the cause of which does not appear to be contraceptives or hormonal changes.

hepatic adenoma magicmine / Getty Images

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