急性胆嚢炎の治療はどれか。

a. EST(Endoscopic Sphincterotomy)

b. EBS(Endoscopic Biliary Stenting)

c. ENBD(Endoscopic Nasobiliary Drainage)

d. EPBD(Endoscopic Papillary Balloon Dilatation)

e. PTGBD(Percutaneous Transhepatic Gallbladder Drainage)

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