BIRADS 0 | Incomplete—need additional imaging evaluation and/or prior mammograms for comparison |
BIRADS 1 | Negative |
BIRADS 2 | Benign |
BIRADS 3 | Probably benign |
BIRADS 4 | Suspicious 4A: low suspicion for malignancy 4B: moderate suspicion for malignancy 4C: high suspicion for malignancy |
BIRADS 5 | Highly suggestive of malignancy |
BIRADS 6 | Known biopsy-proven malignancy |