title: Leiomyosarcoma of the oesophagus presenting as empyema.
mesh_terms: D000368:Aged; D004653:Empyema / Q000209:etiology*; D004938:Esophageal Neoplasms / Q000150:complications*; D004939:Esophageal Perforation / Q000209:etiology; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D007890:Leiomyosarcoma / Q000150:complications*