Fig. 1

a The percentage of incidental and non-incidental papillary thyroid microcarcinomas in the period 2008–2016. b The percentage of incidental and non-incidental papillary thyroid microcarcinomas, and all papillary thyroid microcarcinomas according to total number of thyroid carcinomas in the period 2008–2016. c The percentage of incidental and non-incidental papillary thyroid microcarcinomas, total papillary thyroid microcarcinomas, and total thyroid carcinomas according to total number of thyroid tumors in the period 2008–2016. d The percentage of incidental and non-incidental papillary thyroid microcarcinomas in three equal time-periods. e The percentage of incidental, non-incidental papillary thyroid microcarcinomas, and total papillary thyroid microcarcinomas according to total number of thyroid carcinomas in three equal time-periods. f The percentage of incidental and non-incidental papillary thyroid microcarcinomas, total papillary thyroid microcarcinomas, and total thyroid carcinomas according to total number of thyroid tumors in three equal time-periods. TMC, thyroid microcarcinoma; TC, thyroid carcinoma