<prompt> OCPs causeHepatic adenomaCancer CervixHepatic vein thrombosisAll  <response>: Ans. is a, b and c i.e. Hepatic adenoma; Cancer cervix; and Hepatic vein thrombosis Lets, see the causes of Hepatic vein thrombosis Budd-Chiari syndrome. Polycythemia rubra vera, Myeloproliferative syndromes, paroxysmal nocturnal hemoglobinuria OCP use Other hypercoagulable states Invasion of IVC by tumor, such as Renal cell or Hepatocellular Ca Idiopathic. 