(a) Incidence of DTC by serum TSH quintiles in subjects with and without autoimmune thyroid disease by pathology; (b) Incidence of DTC by serum TSH quintiles in subjects with and without autoimmune thyroid disease by pathology, excluding patients with thyroid microcarcinomas. Abbreviations: AITD: autoimmune thyroid disease; DTC: differentiated thyroid cancer; Q1-Q5: serum TSH concentration quintiles 1-5.