<prompt> Which of the following liver tumor has a propensity to invade the poal or hepatic vein?Cavernous hemangiomaHepatocellular carcinomaFocal nodular hyperplasiaHepatic adenoma  <response>: Hepatocellular carcinoma Characteristic of HCC; Propensity to invade the poal vein Causing Multicentric Bi-lobar spread in 75-80 . This happens because POAL VEINS are valveless . 