Fig. 3From: Malignancy rates for Bethesda III and IV thyroid nodules: a retrospective study of the correlation between fine-needle aspiration cytology and histopathologyFlow chart of the number of fine-needle aspiration cytology (FNAC) procedures on thyroid nodules leading to a diagnosis of Bethesda class III (atypia of undetermined significance [AUS] or follicular lesion of undetermined significance [FLUS]) or class IV (follicular neoplasm/suspicious for follicular neoplasm [FN/SFN])Back to article page