Carbohydrate Antigen 19-9 (CA19-9) Response After Induction FOLFIRINOX for Locally Advanced Pancreatic Cancer Identifies Patients Who May Benefit from Surgical Exploration: Multicentre, Observational Cohort Study

Pancreatic cancer is a highly malignant tumor with an extremely low five-year survival rate, especially for patients with locally advanced pancreatic cancer (LAPC), who have limited treatment options and poor prognosis. LAPC is defined based on the degree of tumor contact with adjacent blood vessels and is often considered “unresectable” at diagnos...