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Table 1 BIRADS assessment categories according to BIRADS atlas 2013

From: Study of role of digital breast tomosynthesis over digital mammography in the assessment of BIRADS 3 breast lesions

Category

Assessment

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