| Assessment | Likelihood of Cancers |
| Category 0: Incomplete-Need Additional Imaging Evaluation and/or Prior Mammograms for Comparison | N/A |
| Category 1: Negative | Essentially 0% likelihood of malignancy |
| Category 2: Benign | Essentially 0% likelihood of malignancy |
| Category 3: Probably Benign | >0% but ≤2% likelihood of malignancy |
| Category 4: Suspicious Category 4A: Low suspicion formalignancy Category 4B: Moderate suspicion formalignancy Category 4C: High suspicion for malignancy | >2% but <95% likelihood of malignancy >2% to ≤10% likelihood of malignancy >10% to ≤50% likelihood of malignancy >50% to <95% likelihood of malignancy |
| Category 5: Highly Suggestive of Malignancy | ≥95% likelihood of malignancy |
| Category 6: Known Biopsy-Proven Malignancy | N/A |