In total, 11 of 94 cases (11.83%) were judged as ‘benign’, and 1 of 1 case (100%) judged as ‘inadequate’ by FNAC received LLND based on elevated FNA-Tg in LLN, and, in these cases, metastatic disease was revealed by postsurgical pathology. This evidence concerns the gene TG and metastatic neoplasm.