Re: "American Thyroid Association and Thyroid Imaging Reporting and Data System developed by the American College of Radiology: which one is better at predicting malignancy risk?" in thyroidology for challenging nodules for these thyroid providers and thyroid health as different peas in a pod [24][25][26][27][28][29] . This issue merits further investigation. We thank Andreda et al. 1 for their valuable study.