Table 3.
Malignancy risks of the combined US/CT categories according to the US and CT categories. Unless otherwise indicated, data in parentheses are the number of LNs.
| US | CT | Combined US/CT | Malignancy Risk % * |
|---|---|---|---|
| Probably benign (16) | Probably benign (16) | 0 (0/16) | |
| Probably benign (58) | Indeterminate (38) | Probably benign (38) | 0 (0/38) |
| Suspicious (4) | Suspicious (4) | 25.0 (1/4) | |
| Probably benign (2) | Probably benign (2) | 0 (0/2) | |
| Indeterminate (67) | Indeterminate (50) | Indeterminate (50) | 8.0 (4/50) |
| Suspicious (15) | Suspicious (15) | 73.3 (11/15) | |
| Probably benign (5) | Suspicious (5) | 40.0 (2/5) | |
| Suspicious (149) | Indeterminate (13) | Suspicious (13) | 15.4 (2/13) |
| Suspicious (131) | Suspicious (131) | 84.7 (111/131) |
* Data in the parentheses are raw data. CT—computed tomography, US—ultrasonography.