1. From the Department of Pathology, Brigham and Women's Hospital (Dr Bry), and the Department of Pathology, Massachusetts General Hospital (Dr Sluss), Boston; the Department of Pathology, MD Anderson Cancer Center, Houston, Texas (Dr Wagar); and the College of American Pathologists, Northfield, Illinois (Ms Kennedy). Dr Robb is a consulting pathologist in Boca Raton, Florida.