Subtypes of pancreatic ductal adenocarcinoma and their differing responses to therapy

This report describes the identification of three molecularly distinct subtypes of pancreatic ductal adenocarninoma (PDA). The classical, quasimesenchymal and exocrine subtypes can further stratify tumors with the same genetic alterations, and could be useful to improve prognosis and predict treatment response. Pancreatic ductal adenocarcinoma (PDA) is a lethal disease. Overall survival is typically 6 months from diagnosis1. Numerous phase 3...