1. From the Cancer Diagnosis Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Rockville, MD; Universitaetsklinikum fuer Frauenheilkunde Leopold-Franzens-Universitaet, Innsbruck, Austria; University of Southern California, Keck School of Medicine, Los Angeles, CA; Universitatsklinikum Hamburg-Eppendorf, Hamburg, Germany; and Memorial Sloan-Kettering Cancer Center, New York, NY.