[Pulmonary Mucoepidermoid Carcinoma with Hilar Lymph Node Metastasis Complicated by Myelodysplastic Syndrome].
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A 65-year-old woman was found to have a mass shadow on chest computed tomography. The patient had been diagnosed as having myelodysplastic syndrome 3 years before admission. She was transferred to our hospital for further examination of the mass in the lower lobe of left lung. The mass was positron emission tomography-positive (SUVmax of 8.6)suggesting a malignant neoplasm. Serum concentrations of carcinoembryonic antigen was elevated to 8.7 ng/ml. Preoperative laboratory studies showed anemia (hemoglobin 6.9 g/dl). Transfusion of red blood cells was performed prior to surgery. Under the video-assited thoracoscopic surgery, left lower lobectomy and lymph node dissection were perfomed. The histopathological diagnosis was mucoepidermoid carcinoma, and the hilar lymph node metastasis positive. There were no postoperative complications, such as infection or bleeding. Chemotherapy with tegafur/uracil was performed after the operation. The patient is currently alive without any recurrence 2 years after the operation.