text: <unk><unk>  (HCC) most commonly appears in a patient with chronic viral hepatitis (hepatitis B or hepatitis C, 20%) or with cirrhosis (about 80%).  These patients commonly undergo surveillance with ultrasound due to the cost-effectiveness.
option_0: Hepatocellular carcinoma cost-effectiveness of therapy
option_1: Cirrhosis cost-effectiveness of therapy
option_2: Primary biliary cirrhosis future or investigational therapies
option_3: Gallstone disease cost-effectiveness of therapy
option_4: Cholangitis cost-effectiveness of therapy
option_5: Ascending cholangitis cost-effectiveness of therapy
option_6: Primary biliary cirrhosis primary prevention
option_7: Hepatology, Gallbladder, and Biliary Tract Diseases Project Chapter Priority