A novel TIRADS of US classification

Table 7 Classification results of TIRADS in literature [9]

TIRADS category	Benign	Malignant	Total	Risk of malignancy (%)
2	15	0	15	0
3	24	3	27	11.11
4a	22	5	27	18.52
4b	9	10	19	52.63
4c	6	24	30	80
5	2	33	35	94.28

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