KRAS and thyroid gland follicular carcinoma: 5 Niepomniszcze Niepomniszcze H H Suarez Suarez H H Pitoia Pitoia F F Pignatta Pignatta A A Danilowicz Danilowicz K K Manavela Manavela M M Elsner Elsner B B Bruno Bruno OD OD Follicular carcinoma presenting as autonomous functioning thyroid nodule and containing an activating mutation of the TSH receptor (T620l) and a mutation of Ki-RAS (G12C) genes Follicular carcinoma presenting as autonomous functioning thyroid nodule and containing an activating mutation of the TSH receptor (T620l) and a mutation of Ki-RAS (G12C) genes Thyroid.