[1] Dept Obstet & Gynecol, Div Gynecol Oncol, Philadelphia, PA USA
[2] Fox Chase Canc Ctr, Div Gynecol Oncol, Philadelphia, PA 19111 USA
[3] Hosp Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA
[4] Hosp Univ Penn, Dept Pathol, Philadelphia, PA 19104 USA