<prompt> Marker for pancreatic non-functional neuro endocrine tumor PNET is?Chromogranin-ACD100CEAPSA  <response>: Ans is a i.e. Chromogranin-A o Chromogranin-A CgA is a glycoprotein used commonly as a tumor marker in histopathology but also has elevated circulating levels in patients with both functional and non-functional PNETs.o Other markers for PNETs - pancreatic polypeptide PPP, pancreastatin, and neuron-specific enolase NSE 