EXPLORE ON DIAGNOSTIC AND PROGNOSTIC VALUES OF EXTRAHEPATIC CHOLANGIOCA RCINOMA: UTILITY OF SERUM CA19-9 AND SERUM CEA

0.05), respectively. In 22 patients undergoing curative resection of EHCC, the mean serum CA19-9 concentration decreased from preoperative level of (456.6±120.4) kU·L-1 to postoperative level (62.8±17.3) kU·L-1(P