Vella, O Retropharyngeal liposarcoma: A rare cause of dysphagia. [electronic resource] - European annals of otorhinolaryngology, head and neck diseases Dec 2016 - 429-430 p. digital Publication Type: Case Reports; Journal Article ISSN: 1879-730X Standard No.: 10.1016/j.anorl.2016.07.006 doi Subjects--Topical Terms: AdultDeglutition Disorders--etiologyFemaleHumansLiposarcoma--pathologyRare DiseasesRetroperitoneal Neoplasms--pathology