Abstract
Out of239lung cancer patients seen between Apr. 1959and May 1971, 158were irradiated curatively (more than5, 000rads), 38were irradiated palliatively and 43 were treated conservatively.
Analysis of age, sex and symptom of all patients according to stage (Japan Lung Cancer Society) and histology (WHO) clarified the actual status of lung cancer refered to radiotherapy. Only one thirds of them were classified as stage I or II.
Treatment results of 158 patients irradiated curatively were as follows.
There were 3 patients survived more than five years.Prognosis of patients in stage I was most favourable, stage II was in the next place and there was significant difference between stage III and IV. Mean survival time (months) in each stage and crude survival rate (%) of overall patients of this group were: 27.5±18.4 in stage I, 16.1 ± 13.1 in stage II, 8.4 ± 6.3 in stage III and 6.7 ± 8.2 in stage IV; 30.5 for 1 year, 12.4 for 2 year, 7.7.for 3 year, 4.2 for 4 year and 2.1 for 5 year, respectively.