“…Of the 19 patients, WT in 6 mimicked metastatic nodes where the patients underwent ipsilateral modified RND or SND that extended beyond level I-III. However, pathological examination determined no nodal metastasis, indicating that the extended neck dissection had been unnecessary 4 , 11 , 15 . For example, in Sato et al 11 , a patient exhibited nodal swelling suggestive of metastasis from maxillary cancer, but the swelling did not subside after radiotherapy.…”