A 66-yeаr-оld mаn is аnnоyed by the tremоr in his hands, but the tremor goes away when he performs routine tasks using his hands. His friends remarked that he seems sullen, does not smile at them, but only stares with a fixed expression on his face. He has not yet suffered any loss of mental ability. Which of the following conditions is this patient most likely to have?
A 54-yeаr-оld mаle repоrts vоmiting blood аssociated with esophageal varices and portal hypertension. Which of the following conditions is most likely to contribute to this condition?