1. From the departments of Pathology (Division of Experimental Pathology), Radiation Medicine (Division of Nuclear Medicine), Obstetrics and Gynecology, Surgery and Medicine, University of Kentucky College of Medicine, Veterans Administration Hospital, and Ephraim McDowell Community Cancer Network, Inc., Lexington, KY (address reprint requests to Dr. Goldenberg at the Division of Experimental Pathology, University of Kentucky College of Medicine, Lexington, KY 40506).