A case report of mixed acinar-endocrine carcinoma of the pancreas treated with S-1 chemotherapy

Acinar cell carcinomas (ACCs) and mixed acinar-endocrine carcinomas (MAECs) of the pancreas are rare, accounting for only 1% of pancreatic tumors. Although both typically present at an advanced stage, chemotherapeutic regimes have not yet been standardized.A 65-year-old man presented with a large mass in the pancreatic tail with multiple liver metastases.He was initially treated with gemcitabine for suspected ductal carcinoma of the pancreas,...