Clinical Evaluation of Primary Lung Cancer

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We observed 88 csses of primary lung cancer clinically and statistically, which had been experienced at the dept. of thoracic surgery, St. Mary's Hospital, Catholic Medical College, during the period of 7 years from January, 1964 to December, 1970. The results obtained were as follows: 1) Peak incidence of age was from 5th decade to 7th decade (86.4%), the youngest being 25 and the oldest 76. The ratio of male to female was 4.9: 1. 2) Squamous cell carcinomas showed high resectability (68.7%) and short clinical duration (188 days). Adenocarcinoma and undifferentiated carcinoma showed low resectability (33.3%, 36.4%) in spite of the more shorter clinical duration(120 days, 112 days, respectively) than squamaus cell carcinoma. 3) Positivity (above class III) in brochocopic cytology was 70.3%, and 44.8% in fresh sputum cytology. 4) Other combined pulmonary diseases (emphysema. chronic bronchitis) were noted in about one half of bronchographied 66 cases and which were considered as factors to contribute ventilatory function of lung. 5) Among 88 cases, twelve cases refused operation and 34 cases(44.7%) were operated. Seventeen cases(22.3%) out of the 34 thoracotomies were resected, 7 with lobectomy and 10 with pneumonectomy and remaining 17 cases were unresectable. 6) Histopathological findiugs of resected 17 cases were squamous cell carcinomas (11 cases), adenocarcinoll1a(1 case), undifferentiated carcinumas (4 cases) and undetermined carcinoma(l case). 7) There's no opelative mortality. Among resected 17 cases, [; cases are still alive(4 years, 3 years & 2 mo, 2 yearo, 13 mo., respectively), 7 case were expired (3 of these from remote metastasis), and remaining 5 cases were unable to follow up.