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Background
Management of early‐stage gallbladder cancer is becoming more important as the rate of early detection is increasing. Although there have been many studies about the clinical implication of the invasion depth or peritoneal/hepatic location of gallbladder cancers, there is no study on the clinical implication of the geometric location of cancer along the longitudinal length of the gallbladder...
Miwa and colleagues report on their experience with a newly developed peroral cholangioscope that is effective for the removal of difficult stones in the common bile duct and the cystic duct. The scope offers a large working channel and a high mobility bending section, increasing the efficacy of electrohydraulic lithotripsy.