choledochotomy

noun

cho·​led·​o·​chot·​o·​my -ˈkät-ə-mē 

plural choledochotomies

: surgical incision of the common bile duct

Patients with clonorchiasis are usually asymptomatic and treatment is limited to complications. Treatment consists of cholecystectomy, choledochotomy, and T-tube drainage.

—Walter G. Sullivan and Lawrence J. Koep, The Journal of the American Medical Association