[Results after split-course irradiation of bronchial carcinoma (2 series) (author's transl)]

This report concerns 1092 patients with bronchial carcinoma, exclusively irradiated by means of the split-course method. Only squamous cell carcinomas have a chance to survive the 5-year limit: all stages in 9/328 = 2.7%, T1 and T2 in 5/48 = 10%. The dependence of the effect on the radiation dose can be confirmed for squamous cell carcinoma but not for anaplastic tumors. Doses higher than 4500 rad do not bring about a longer survival for the latter. Advantages of the split-course method are: The treatment is better tolerated, operability of questionably operable cases can be checked once again after the first irradiation, series, the dose may be determined from the therapy effect in every individual case.