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May 15, 1967

Conventional Irradiation vs Cobalt 60 Therapy

JAMA. 1967;200(7):613. doi:10.1001/jama.1967.03120200091017

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The definition of stage III cases is according to the nomenclature of the American Joint Committee on Cancer Staging and End Results Reporting.1

The cases presented here were treated exclusively with radiotherapy in the author's service at the Curie Foundation and the American Hospital in Paris. The apparent clinical cure after five and ten years without obvious clinical or radiological signs might be interpreted as a "stabilization" of cancer. The possibility of the recurrence of breast cancer makes it necessary to reserve definite opinion regarding prognosis until after five years and even up to 15 years or more.

All of this work was standardized, each patient receiving treatment by means of similar techniques with high total doses spread over a long period of time. All of the patients were seen at follow-up by the same doctors.

Table 3 shows the results at five and ten years obtained by conventional