title: Occult papillary thyroid carcinoma presenting as a parapharyngeal metastasis.
mesh_terms: D002291:Carcinoma, Papillary / Q000556:secondary*; D005260:Female; D006801:Humans; D008208:Lymphatic System / Q000033:anatomy & histology; D008875:Middle Aged; D009382:Neoplasms, Unknown Primary; D010610:Pharyngeal Neoplasms / Q000556:secondary*; D013964:Thyroid Neoplasms