Affiliation: | (1) Department of Gynecology, Cancer Institute Hospital, 1-37-1, Kami-Ikebukuro, Toshima-Ku, Tokyo 170-8455, Japan e-mail: tabatat@gyn.jfcr.or.jp Tel. 03-3918-0111, Fax: 03-5394-3889, JP;(2) Department of Obstetrics and Gynecology, Yamada Red Cross Hospital, Mie, Japan, JP;(3) Department of Pathology, Yamada Red Cross Hospital, Mie, Japan, JP |