{Reference Type}: Journal Article {Title}: Hiding in Plain Sight: Retropharyngeal Lymph Node Metastasis. {Author}: Roof SA;Sindhu KK; {Journal}: Int J Radiat Oncol Biol Phys {Volume}: 120 {Issue}: 1 {Year}: 2024 Sep 1 {Factor}: 8.013 {DOI}: 10.1016/j.ijrobp.2024.04.022