the fibrous remnants of porta hepatis at the level of hepatic portoenterostomy for extrahepatic biliary atresia were examined histologically , and the number of bile ductules calculated , the area of the largest bile ductule and total area of all bile ductules was estimated in 30 cases , using a computed picture analyzer .
C0005411
extrahepatic biliary atresia
C0005400
bile ductules