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Flow chart of diagnosis and treatment of pancreatic cancer by ERCP. CT, computed tomography; US, ultrasound; EUS, endoscopic ultrasonography; ERCP, endoscopic retrograde cholangiopancreatography; IDUS, intraductal ultrasound; ENBD, endoscopic nasobiliary drainage; EUS-BD, endoscopic ultrasound guided biliary drainage; PTCD, percutaneous transhepatic cholangial drainage; FNA, fine needle aspiration.
