For the optimisation of the therapy for small cell bronchial carcinomas (SCLC), surgery is used to eliminate the primary tumor and its regional lymph nodes and chemo- and radiotherapy for the general treatment of micrometastasis. After patho-histological examination of the operation specimen, randomization for two arms is performed for a standard chemotherapy (CAV) or a sequential chemotherapy using three different drug combinations. Thereafter all disease-free patients receive prophylactic cranial irradiation (PCI). Preliminary evaluations in December 1987, of 112 patients from 19 cooperating departments show that the survival rate projected for 2 yr of 43 patients at stage pT1-3 N0 M0 is 76%, of 43 patients at stage pT1-3 N1 M0 it is 63% and of 26 patients at stage pT1-3 N2 M0 it is 38%.
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