Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Table 2 Rate of malignancy as a function of BI-RADS assessment for 763 sonographically depicted breast masses 2 cm or smaller.
| BI-RADS | Rate of malignancy n/total (%) |
|---|---|
| 3 | 0/28 (0%) |
| 4 | 11/41 (26.8%) |
| 4a | 6/376 (1.6%) |
| 4b | 23/102 (22.5%) |
| 4c | 30/50 (60%) |
| 5 | 153/166 (92.2%) |
