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World J Gastroenterol. Oct 14, 2023; 29(38): 5361-5373
Published online Oct 14, 2023. doi: 10.3748/wjg.v29.i38.5361
Figure 3
Figure 3 Subclassification of intraductal papillary neoplasms of the bile duct according to the Japan Biliary Association and the Korean Association of Hepato-Biliary-Pancreatic Surgery. A: Type 1 consists of papillary, villous or tubular homogenous structures with thin papillary fibrovascular stalks; B: Type 2 consists of thick papillary glands with irregular branching, often intermingled with solid irregular components. Hematoxylin and eosin staining.