an apparently new ` dysphagia syndrome ' is described in 4 patients with oropharyngeal carcinomas in whom gross mechanical obstruction was simulated by a combination of perineural spread of tumour into the ipsilateral vagal trunk , sometimes accompanied by segmental infarction , variable invasion of the sympathetic chain , and ` splinting ' of the pharynx by local fibrosis and tumour in the soft tissues of the neck .
C2349952
oropharyngeal carcinomas
C0031354
pharynx