Which of the following liver tumor has a propensity to invade the poal or hepatic vein?: (A) Cavernous hemangioma, (B) Hepatocellular carcinoma, (C) Focal nodular hyperplasia, (D) Hepatic adenoma
Answer is B. 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 .