Endoscopy, Table of Contents Endoscopy 2018; 50(11): v36DOI: 10.1055/a-0744-2184 Video Comment © Georg Thieme Verlag KG Stuttgart · New YorkVideo Comment on Carlos Robles-Medranda et al. Recommend Article Abstract Refers to:Reliability and accuracy of a novel classification system using peroral cholangioscopy for the diagnosis of bile duct lesionsEndoscopy 2018; 50(11): 1059-1070DOI: 10.1055/a-0607-2534 Full Text