From: A practical trial to use Thyroid Imaging Reporting and Data System (TI-RADS) in differentiation between benign and malignant thyroid nodules
TI-RADS level
The sum of the points
Classification
TR1
0
Benign
TR2
2
Not suspicious
TR3
3
Mildly suspicious
TR4
4 to 6
Moderately suspicious
TR5
7 or more than 7
Highly suspicious