title: Preface.
authors.affiliation: Harvard Medical School, Brigham and Women's Hospital, Department of Pathology, 75 Francis Street, Amory-1, Boston, MA 02115, USA. Electronic address: mhirsch1@partners.org.
authors.forename: Michelle S
authors.initials: MS
authors.lastname: Hirsch
mesh_terms: D005260:Female; D052776:Female Urogenital Diseases / Q000473:pathology*; D006801:Humans; D008297:Male; D052801:Male Urogenital Diseases / Q000473:pathology*; D014565:Urogenital Neoplasms / Q000473:pathology