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Fig. 7C. —Graphs show changes in laboratory data and portal venous pressures after treatment in study group. Portal venous pressure increased significantly (p = 0.018) after treatment. Dotted lines represent range of normal values. In two patients, portal venous pressure was higher than normal values both before and after treatment; both patients had associated liver cirrhosis. Pressure levels were within normal range in other patients. Portal venous pressure was not measured in three patients.