title: The superior vena cava syndrome: an oncologic emergency.
mesh_terms: D004630:Emergencies; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology* / Q000532:radiotherapy; D008175:Lung Neoplasms / Q000150:complications*; D008297:Male; D008875:Middle Aged; D014683:Vena Cava, Superior