Atypical follicular cells with equivocal features of papillary thyroid carcinoma is not a low-risk cytologic diagnosis.
Luu MH, Fischer AH, Stockl TJ, Pisharodi L, Owens CL. Atypical follicular cells with equivocal features of papillary thyroid carcinoma is not a low-risk cytologic diagnosis. Acta Cytol. 2011; 55(6):526-30.