of the 39 patients ( mean age 80.1 +/- 8.2 years ) with choledocholithiasis and gallbladder `` '' in situ '' '' released from this hospital from october 1979 to december 1985 after a successful endoscopic sphincterotomy ( expulsion , spontaneous or not , of gallstones ) , 33 ( 84.6 % ) have been followed-up for an average of 41.5 +/- 20.8 months ( 7-92 range ) .
C0016976
gallbladder
C0008350
gallston