title: Neck lymph node metastases to the posterior triangle apex: evaluation of clinical and histopathological risk factors.
authors: J C
authors: JC
authors: O'Brien
mesh_terms: D006258:Head and Neck Neoplasms / Q000473:pathology* / Q000556:secondary*; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D009333:Neck / Q000473:pathology*; D009626:Terminology as Topic