Characteristics and immune checkpoint status of radioiodine-refractory recurrent papillary thyroid carcinomas from Ukrainian Chornobyl Tissue Bank donors oleh Tetiana Bogdanova, Tetiana Bogdanova, Tatiana I. Rogounovitch, Liudmyla Zurnadzhy, Liudmyla Zurnadzhy, Norisato Mitsutake, Norisato Mitsutake, Mykola Tronko, Masahiro Ito, Michael Bolgov, Serhii Chernyshov, Serhii Gulevatyi, Sergii Masiuk, Shunichi Yamashita, Shunichi Yamashita, Vladimir A. Saenko