*From the Pathology and Cardiology Branches, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Md. Reprint requests: Dr. Roberts, National Institutes of Health, Bldg bA, Room 3E30, Bethesda 20205 before death), the patient noted a “lump” in her groin, and excision again disclosed melanoma. The results of a chest roentgeno gram (Fig 1), gallium scan, and cardiop...