Breast mass (BI-RADS 4C)
Citation, DOI & case data
Right breast palpable mass on physical exam.
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An isodense mass with an irregular margin and fine internal foci of calcifications is noted at the upper central portion of the right breast. (BI-RADS 4C)
A BI-RADS 4 lesion under the breast imaging-reporting and data system refers to a suspicious abnormality. BI-RADS 4 lesions may not have the characteristic morphology of breast cancer but have a definite probability of being malignant. A biopsy is recommended for these lesions.