2 3 4 10 10 35% http://www.pref.fukushima.jp/imu/kenkoukanri/240125shiryou.pdf 0-5 9826 6-10 10662 11-15 11466 16-18 6160 10 3 5 1% 35.1% 0.8% 2 https://www.jstage.jst.go.jp/article/endocrj1993/48/5/48_5_591/_article 2000 7~14 250 0.8% 4 20 10 Mazzaferri 1993 Mazzaferri EL. Management of a solitary thyroid nodule. N Engl J Med. 1993 Feb 25;328(8):553-9 nodule 20 10 1 25% 35% 10 1 2% 25~35% 0.5 1%