A Single-Center Retrospective Study of the Impact of Thyroid Cancer on the Malignant Risk of Contralateral TI-RADS 3 and 4 Nodules

Table 1

Distribution of thyroid nodule TI-RADS classification.

	Unilateral nodules n (%)	Bilateral nodules n (%)
2/2	0 (0)	0 (0)
2/3	—	1 (0.4)
2/4	—	3 (1.2)
2/5	—	0 (0)
3/3	17 (29.8)	122 (46.7)
3/4	—	102 (39.1)
3/5	—	12 (4.6)
4/4	40 (70.2)	19 (7.3)
4/5	—	0 (0)
5/5	0 (0)	2 (0.7)
Total	57 (18.5)	261 (81.5)