title: Primary adenoid squamous cell carcinoma of the upper lip associated with a locoregional metastasis: a case report and review of the literature.
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology* / Q000556:secondary; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008048:Lip Neoplasms / Q000473:pathology*; D009061:Mouth Mucosa / Q000473:pathology*; D009062:Mouth Neoplasms / Q000473:pathology / Q000556:secondary*