Diagnostic Impression From Mammography Versus Pathological Findings From Surgery
| Diagnostic category | Malignant | Benign | Premalignant | Ratio, no. malignant/ total no. | PPV, % |
|---|---|---|---|---|---|
| 3 | 0 | 10 | 0 | 0/10 | 0 |
| 4 | 18 | 47 | 3 | 18/68 | 26.5 |
| 5 | 24 | 7 | 0 | 24/31 | 77.4 |
| Total | 42 | 64 | 3 | 42/109 | 38.5 |
PPV = positive predictive value.