Article 1 CUP 1 DIGEST 1 Deglutition Disorders 1 HPV 1 Head and Neck Neoplasms 1 Humans 1 Lingual tonsillectomy Margins of Excision 1 Modified Barium Swallow Study 1 Morbidity 1 Neoplasms, Unknown Primary 1 Postoperative Complications 1 Retrospective Studies 1 Squamous Cell Carcinoma of Head and Neck 1 TORS 1 Tonsillectomy 1 Unknown primary 1 adult 1 adverse event 1 cancer of unknown primary site 1 cancer staging 1 clinical article 1 cohort analysis 1 controlled study 1 dysphagia 1 elective surgery 1 esophagography 1 female 1 follow up 1