“…(b) Biliary cirrhosis may refer to a primary type of cirrhosis of unknown etiology [4], but a similar clinical picture may develop fol lowing various noxae, such as, obstructive jaundice (due to inflam m ation, stones or tumors), infectious hepatitis, allergic or toxic re actions, hemochromatosis, and congenital atresia of the intrahepatic or extrahepatic bile duct systems [23]. W hatever the cause of the dis ease, there is an inflamm atory, non-specific reaction around the por tal areas which may undergo complete resolution, or progress to a chronic stage with connective tissue proliferation, resulting in irre versible damage [31].…”