title: Superior vena caval obstruction caused by sarcoidosis.
mesh_terms: D003251:Constriction, Pathologic / Q000209:etiology; D005260:Female; D006801:Humans; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000150:complications; D012507:Sarcoidosis / Q000150:complications*; D013577:Syndrome; D014683:Vena Cava, Superior