From march 1989 to October 1993, 57 patients were diagnosed and operated for primary non-small cell lung cancer, and evaluated clinically.
1. There were 45 males and 12 females(M:F=3.8:1), and the peak incidence of age was 6th decade of life(45.6%).
2. In the preoperative diagnostic methods and their positive rate, sputum cytology was 11%, bronchial washing cytology 50%, bronchoscopic biopsy 73%, and CT guided percutaneous needle aspiration biopsy 83%.
3. Histopathologically, squamous cell carcinoma was 56.1%, adenocarcinoma 22.8%, bronchioloalveolar cell carcinoma 7%, and undifferentiated large cell carcinoma 1.8%.
4. In the operation, pneumonectomy was 35.1%, lobectomy 38.6%, bilobectomy 3.5%, segmentectomy 7%, and exploratory thoracotomy 15.8%, and overall resectability was 84.2%.
5. In postoperative stagings, stage I was 28.1%, stage II 22.8%, stage IIIa 31.6% and stage IIIb 17.5%.
6. Postoperative complications were developed in 11 cases(19.3%) and operative mortality was none.
7. One year survival rate in resectable cases was 87.0%, 2 year 61.6% and 5 year 44.9%. According to stage, 3 year survival rate was 75.8% in stage I, 16.9% in stage II, 60.9% in stage IIIa, 50% in stage IIIb.
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