Granulocyte colony-stimulating factor-producing pancreatic anaplastic carcinoma in ascitic fluid at initial diagnosis: A case report.

Granulocyte colony-stimulating factor (G-CSF)-producing pancreatic tumors are extremely rare. These tumors have an aggressive clinical course and no established treatment. Here, we report an autopsy case of G-CSF-production in pancreatic anaplastic carcinoma (PAC).