title: [Cytological diagnosis of neoplasms of the duodenal, hepatic, pancreatic and biliary system].
mesh_terms: D001661:Biliary Tract Neoplasms / Q000175:diagnosis* / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D003581:Cytodiagnosis; D004379:Duodenal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis* / Q000473:pathology; D010190:Pancreatic Neoplasms / Q000175:diagnosis* / Q000473:pathology