unspecified C250 Malignant neoplasm of head of pancreas C251 Malignant neoplasm of body of pancreas C252 Malignant neoplasm of tail of pancreas C253 Malignant neoplasm of pancreatic duct C257 Malignant neoplasm of other parts of pancreas C258 Malignant neoplasm of overlapping sites of pancreas C259 Mal...