<prompt> All are true regarding Hepatocellular carcinoma except..HCV risk factorOCPs causesFocal nodular hyperplasia most malignantChromosomal abnormalities are common  <response>: hepatocellular carcinoma Major risk factors Minor risk factors HBV infection Hemochromatosis HCV infection Wilsons disease Alcoholic cirrhosis alpha1 antitrypsin deficiency Aflatoxin B1 oral contraceptives Non- alcoholic steatohepatitis. Cigarette smoking GENERAL AND SYSTEMIC PATHOLOGY RAMDAS NAYAK FIRST EDITION PAGE 464,465 