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Table 1 BIRADS assessment categories according to BIRADS atlas 2013 category assessment

From: Comparing the diagnostic efficacy of digital breast tomosynthesis with full-field digital mammography using BI-RADS scoring

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