To Perform a Post-market Study of the Performance of the Idylla ThyroidPrint Assay Using Clinical Samples in Predicting the Nature of Indeterminate Thyroid Nodules (ITNs) Across Multiple Centers.

Who May Qualify: - Thyroid nodule ≥1.0 cm - With indeterminate cytology - Surgery due to be performed Who Should NOT Join This Trial: - Specimens which fail to meet the inclusion criteria. - FNA fixed in formalin or transferred in alcohol-based collection buffers which is not according to the protocol instructions. - RNA extracts. - Patients with ultrasound evidence of malignant cervical adenopathy Always talk to your doctor about whether this trial is right for you.