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Table 1 Rate of malignancy as a function of lesion size for 763 sonographically depicted breast masses 2 cm or smaller.
| Size | Rate of malignancy n/total (%) |
|---|---|
| ≤ 4 mm | 3/41 (7.3%) |
| ≤ 5 mm | 10/98 (10.2%) |
| 6 – 7 mm | 52/149 (34.9%) |
| 8 – 10 mm | 63/214 (29.4%) |
| > 10 mm | 98/302 (32.5%) |
| Overall | 223/763 (29.2%) |
