title: Superior vena caval obstruction complicating fibreoptic gastroscopy.
mesh_terms: D000368:Aged; D005260:Female; D005336:Fiber Optic Technology; D005773:Gastroscopy / Q000009:adverse effects*; D006801:Humans; D014652:Vascular Diseases / Q000209:etiology*; D014683:Vena Cava, Superior