Table 3. BI-RADS Edition 5 Breast MRI Screening Benchmarks.

Category	Benchmark'	Our Results
Cancer detection rate (per 1000 examinations)	20–30	22.1
Median size of invasive cancers (in mm)	TBD	10.0
Percentage of node-negative invasive cancers	>80%	61.5%
Percentage of minimal cancer*	>50%	70.6% (12 of 17)
PPV2 (recommendation for biopsy)	15%	21.6% (19 of 88)
PPV3 (biopsy performed)	20%–50%	23.8% (19 of 80)

BI-RADS, Breast Imaging Reporting and Data System; MRI, magnetic resonance imaging; PPV, positive predictive value; TBD, to be determined.

^*Minimal cancer is invasive cancer ≤ 1 cm or ductal carcinoma in situ as per the American College of Radiology Edition 5 of the BI-RADS Atlas.