Inclusion Criteria:  ≥18 years of age.  Patients referred for evaluation of a cold nodule on thyroid scintigraphy and with EU-TIRADS score of 3 or higher.  Score 3 and > 20 mm in size. Score 4 and >15 mm in size. Score 5 and >10 mm in size.  Clinical suspicion of thyroid cancer:  PET-positive thyroid tumor. Thyroid tumor and palsy of the recurrent laryngeal nerve. Rapidly growing thyroid tumor. Hard and/or immobile thyroid tumor. Tumor in the thyroid with suspicious lymph nodes.  Exclusion Criteria:  Previous participation in the study. Language or other barriers not allowing adequate information.