Community hospitals can do much in the general effort toward earlier detection of breast cancer. Using xeromammography in the department of general radiology of one community hospital, 21 cases of occult carcinoma were detected in 2,392 patients in a two year period. Patients were both symptomatic and asymptomatic. This percentage is comparable to results in previously published series of similar patient populations, and can be expected to be slightly higher than screening populations of totally asymptomatic patients. In 24 percent of cases of occult carcinoma there was axillary node involvement, compared with 42 percent axillary node involvement in cases of nonoccult carcinoma. Early detection efforts are currently centered on improving thoroughness in physical examinations, stressing breast self-examination and identifying patients in high-risk categories. These, together with proper periodic use of mammograms, will yield the highest rate of early carcinoma detection until more sensitive biologic markers are developed.
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