A 56-year-old man was admitted to our hospital for management of acute epigastric abdominal pain and elevation of pancreatic enzymes. The CT scan revealed enlargement ofthe pancreatic body as well as the lung tumor ofthe right hilar and superior mediastinum. Therefore, bronchoscopy was performed and a diagnosis of small cell lung cancer with metastasisinduced acute pancreatitis(MIAP)was made. Prompt improvement in pancreatic findings was observed following chemotherapy. MIAP, which is a rare complication of lung cancer may affect the prognosis and quality of life of the patients; therefore, rapid diagnosis and appropriate treatment are important.
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