From May 1986 to May 1992, 72 patients were diagnosed and operated for primary lung cancer, among them 65 patients were clinically evaluated at the department of Thoracic & Cardiovascular Surgery, Masan Koryo Genera Hospital.
1. There were 52 males, 13 females (M:F=4:1) , and 5th , 6th decade of life (72%) was peak incidence.
2. The preoperative diagnosis and its positive rate were sputum cytology 35%, bronchoscopy 47%, pleural effusion cytology 80%, and pleural biopsy 50%.
3. The classification of histologic types were squamous cell carcinoma 71%, adeno carcinoma 17%, undifferentiated cell carcinoma 4.6%, and staging classification were Stage I 31%, Stage II 22%, Stage IIIa 26%, and Stage IIIb 20%.
4. The operative methods were lobectomy 52%, pneumonectomy 36%, and open biopsy 12%, and operability was 89%, resectability was 88%.
5. The postoperative complications developed 13 patients (22%), and operative mortality was 5%.
6. The overall actuarial survival rate was 1 year 70%, 2year 42%, 3year 32%, 4year, 26%, and 5year 22%, according to Stage 5year survival rate was Stage I 37%, Stage II 22%, Stage IIIa 3year 12%, Stage IIIb 2year 23%, and according to operative
method
5year survival rate was lobectomy 23%, pneumonectomy 19%.(Korean J Thoracic Cardiovas Surg 1994; 27:463-469)
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