title: Superior vena caval system obstruction caused by benign endothoracic goiter.
mesh_terms: D016121:Brachiocephalic Veins; D003937:Diagnosis, Differential; D005260:Female; D006045:Goiter, Substernal / Q000150:complications*; D006801:Humans; D008875:Middle Aged; D010690:Phlebography; D011877:Radionuclide Imaging; D014652:Vascular Diseases / Q000175:diagnosis / Q000209:etiology; D014683:Vena Cava, Superior