Table 1.
BI-RADS ranking
| 0 | Additional imaging is needed |
| 1 | No MRI abnormalities |
| 2 | Benign |
| 3 | Probably benign; short-term follow-up is needed to confirm stability (probability of malignancy estimated to be ≤2 %) |
| 4 | Lesion is suspicious and should be biopsied |
| 5 | Lesion is highly suspicious (malignant until proven otherwise) |
| 6 | Lesion is confirmed to be malignant |