Department of Diagnostic and Therapeutic Radiology;
Ramathibodi Hospital;
Mahidol University;
Bangkok;
Thailand;
Department of Otolaryngology;
Ramathibodi Hospital;
Mahidol University;
Bangkok;
Thailand;
Department of Pathology;
Ramathibodi Hospital;
Mahidol University;
Bangkok;
Thailand;
Head; and; Neck; Squamous; Cell; Carcinoma; Negative; Neck; Node; Neck; Management; Prognostic; Biomarkers; VEGF-A; and; Ki-67;