From: The role of repeat fine needle aspiration in the management of indeterminate thyroid nodules
p-USFNA
r-USFNA
B2
B3
B4
B5
B6
Total
Frequency
6
50
11
14
0
81
%
7.4
77.2
13.6
17.3
5
7
1
2
15
33.3
46.7
6.7
13.3
96