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. Author manuscript; available in PMC: 2020 Mar 30.
Published in final edited form as: Surgery. 2018 Nov 8;165(1):69–74. doi: 10.1016/j.surg.2018.04.094

Table 5.

TIRADS classification of overall cohort and risk of malignancy (ROM), NIFTP malignant.

TIRADS All patients, n Cytopathology Surgical pathology ROM
III IV Benign Malignant
Benign (TR1) 0 0 0 0 0 0.0%
Not suspicious (TR2) 9 8 1 7 2 22.2%
Mildly suspicious (TR3) 25 19 6 18 7 28.0%
Moderately suspicious (TR4) 81 62 19 53 28 34.6%
Highly suspicious (TR5) 18 15 3 6 12 66.7%