[ISP-033] A Case of Solitary Retroperitoneal Smooth Muscle Tumor of Undetermined Malignant Potential Mizuki Kanda, Eiji Kobayashi, Erika Nakatsuka, Satoshi Nakagawa, Tsuyoshi Takiuchi, Yuri Matsumoto, Michiko Kodama, Kae Hashimoto, Yutaka Ueda, Kenjiro Sawada, Takuji Tomimatsu, Tadashi Kimura (Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan) Abstract password authentication.Password is required to view the abstract. Please enter a password to authenticate. Password Authentication