From: Preoperative axillary lymph node staging by ultrasound-guided cytology using a four-level sonographic score
Histological results from surgery
Echography
Negative (%)
Positive (%)
Total
Echo N
14 (93)
1 (7)
15 (100)
Echo +
18 (78)
5 (22)
23 (100)
Echo ++
2 (22)
7 (78)
9 (100)
Echo +++
0
7 (100)
34 (63)
20 (27)
54 (100)