Inclusion Criteria:  Patients who have undergone thyroidectomy with preoperative diagnosis of thyroid cancer (cytological diagnosis, including Bethesda III, IV, IV or VI class, or high suspicion of thyroid carcinoma based on clinical and/or ultrasonographic features) during the study period (from February 2019 to October 2021) Patients who underwent reoperative neck surgery for local recurrence of thyroid carcinoma during the study period (from February 2019 to October 2021)  Exclusion Criteria:  Age < 18 yo Incidental diagnosis of thyroid carcinoma