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252 evaluable patients were treated in the Centre Claudius Regaud from January 1974 to December 1983 for stage Ib, IIa or proximal IIb carcinoma of the uterine cervix. This retrospective analysis compares results obtained either by radio-surgical combination therapy (113 patients = RS group) or by exclusive irradiation (139 patients = RT group). The comparison of the two groups in terms of patient age, obesity, associated vascular pathology and previous abdomino-pelvic surgery favored the RS group significantly. The distribution according to clinical stage also significantly favored the RS group. The proportion of patients with stage IIb disease was 12% in the RS group as opposed to 25% for the RT group. Despite unfavorable patient and tumor characteristics, therapeutic results in the RT group were similar to those of the RS group. Pelvic recurrences developed in 18/110 (16%) and 18/139 (13%) of the patients in the RS and RT groups, respectively. Distant metastases occurred in 5/92 (5%) patients in the RS group and 13/121 (11%) patients in the RT group, but the difference was not significant (p less than 0.1). Five year corrected actuarial disease-free survival was 82% in both groups. There were no major early complications in the RT group while four were found in the RS group, of which three were fatal. 2% of patients had major late complications in the RS group versus 6% in the RT group and none were lethal. 25% of the RT group patients had a moderate or mild complication versus 10% in the RS group but 2/3 of these complications recovered without sequellae.