This is the guideline for TR4 thyroid nodule: "for TR4 nodules, the guidelines recommend fine-needle aspiration if the nodule is 1.5cm or larger, and follow-ups if larger than 1cm". Because the size of your thyroid TR4 nodule is at gray zone, i.e. 1 cm, not more or less, so think a repeat US should be considered in 6 months. If there is no change then you are safe. Good luck.
Answered 8/3/2023
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