Carcinoma of the cervix, stage III. Results of radiation therapy

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Abstract
From April 1969 through December 1980, 203 patients with Stage III epidermoid carcinoma of the cervix were treated with radiation therapy with curative intent. The disease-free survival at 2, 5, and 10 years was 50%, 33%, and 27%, respectively. The survival was better for patients with Stage IIIB disease than for those with Stage IIIA disease. Eighty-eight patients were treated with external beam therapy only, and 115 received external beam and brachytherapy. The disease-free survival was better for the combination therapy group initially, but this difference was not sustained beyond 5 years. One hundred eight patients experienced recurrence within the irradiated field, for a locoregional recurrence rate of 53%. Twenty-seven patients had complications (13%). The complications were mild in 13 patients, moderate in 4 patients, and severe in 10 patients. A study was made of the relationship of the dose to Point A and the occurrence of complications. Similar analyses were made of the bladder and rectal doses and the subsequent occurrence of urinary and intestinal complications. In these analyses, the mean dose to Point A and the critical organs was higher for the groups of patients with complications than for those patients without complications. This relationship was also observed when the patients were stratified for treatment with either external beam plus brachytherapy or external beam therapy alone.

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