TI-RADS:0 TI-RADS:3 TI-RADS:4a TI-RADS:4b TI-RADS:4c TI-RADS:5

Bethesda I Bethesda II Bethesda III Bethesda IV Bethesda V Bethesda VI

Positive Negative

1 < Ct ≤ 2 2 < Ct ≤5 Ct > 5

0 < FNA-Tg ≤ 1 1 < FNA-Tg ≤ 30 FNA-Tg > 30