<prompt> Most sentitive investigation of pancreatic carcinoma isAngiographyERCPUltrasoundCT scan  <response>: Ans. is b i.e., ERCP ERCP is the most sensitive test for detecting pancreatic cancer but CT scan is the inv. of choice. Schwaz writes - Currently CT is probably the single most versatile and cost effective tool for the diagnosis of pancreatic cancer. CSDT writes - In patients with a typical clinical history and a pancreatic mass on CT, ERCP is unnecessary. In the absence of a mass, an ERCP is indicated. It is the most sensitive test 95 for detecting pancreatic cancer though specificity in differentiation between cancer and pancreatitis is low. 