Carcinoma obstructing pancreatic duct | Malignant neoplasm of pancreatic duct | Malignant neoplasm of pancreatic duct metastatic | Malignant neoplasm of pancreatic duct non-resectable | Malignant neoplasm of pancreatic duct recurrent | Malignant neoplasm of pancreatic duct resectable | Ductal adenocarcinoma of pancreas |