From: Preoperative axillary lymph node staging by ultrasound-guided cytology using a four-level sonographic score
Histological results from surgery
Cytoblock
Negative (%)
Positive (%)
Total
C 1
2 (40)
3 (60)
5 (100)
C 2
32 (82)
7 (18)
39 (100)
C 5
0
10 (100)
34 (63)
20 (37)
54 (100)