Volume 66, Issue 2, Pages 209-211 (August 1974) Malignant Chemodectoma of the Superior Mediastinum with Elevated Urinary Homovanillic Acid  Robert W. Enquist, Maj, MC, USAR, Douglass C. Tormey, Maj, MC, USAR, Edwin H. Jenis, Maj, MC, USA, Raphael L. Warkel, Maj, MC, USA  CHEST  Volume 66, Issue 2, Pages 209-211 (August 1974) DOI: 10.1378/chest.66.2.209 Copyright © 1974 The American College of Chest Physicians Terms and Conditions

FIGURE 1 Chest roentgenogram demonstrating superior mediastinal mass and lytic rib lesions. See text for description. CHEST 1974 66, 209-211DOI: (10.1378/chest.66.2.209) Copyright © 1974 The American College of Chest Physicians Terms and Conditions

FIGURE 2 Aortic angiogram (subtraction film) demonstrating tumor blush. See text for description. CHEST 1974 66, 209-211DOI: (10.1378/chest.66.2.209) Copyright © 1974 The American College of Chest Physicians Terms and Conditions