Professor buchannan has been a heavy drinker for most of his life. at first, his liver stored fat, but then the fat-filled cells stopped functioning. professor buchannan continued to drink, however, which led to the development of fibrous scar tissue in his liver. because professor buchannan kept drinking, his liver cells have begun to die, making the damage to his liver permanent. what is the name of the liver disease professor buchannan suffers from?