Retropharyngeal goitre.
D000236:Adenoma / Q000175:diagnosis* / Q000601:surgery; D000328:Adult; D003937:Diagnosis, Differential; D006042:Goiter / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008297:Male; D013964:Thyroid Neoplasms / Q000175:diagnosis* / Q000601:surgery