From February 25, 1974 to April 30, 1976 at the Institute for Oncology and Radiology of the University Clinical Center in Belgrade 138 patients with cervical carcinoma stage I, II and III were radical irradiated by Cathetron (HDR Co-60 sources and remote afterloading technique) and 42 MeV Betatron. The 5-year and 10-year survival of these patients was: stage I--90.9% and 81.8%, stage II--65.1% and 46.0%, stage III--32.8% and 23.0% and III stages--52.5% and 39.1%. Local recurrences, distant metastases and late postirradiation sequelae were: 26.8%, 5.8% and 22.7%.