Breast cancer in the medial half. Results of 1978 national survey of the American College of surgeons

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Abstract
In their previous report on the 1978 survey of breast cancer by the American College of Surgeons, the authors observed that the five‐year cure rate was lower, but only marginally, in patients having tumors located in the medial half of the breast than those in the lateral half. In order to identify factors which might explain this difference, as well as to evaluate the contribution of additional irradiation towards improving the cure rates, further analysis was made of the group of 9401 women in the long‐term survey, with particular attention to the size of the tumor, the age of the patient, and the extent of the nodal metastasis. This analysis demonstrates that the prognosis is quite similar between groups of patients with tumors in medial or lateral half of the breast. Irradiation given in addition to mastectomy did not appear to improve the prognosis of the patients as compared to that of those treated by mastectomy alone.