Cervical lymph node metastasis from occult tonsillar squamous cell carcinoma with incidental ectopic parathyroid tissue: a case report. - Izzo, Paolo; Intinis, Claudia De; Lai, Silvia; D'Urso, Antonio; Sibio, Simone; Meloni, Paolo; Cello, Pierfrancesco Di; Izzo, Luciano; Molle, Marcello; Izzo, Sara (Journal of Surgical Case Reports, 2026)