Graph showing Tumor weight versus days since subcutaneous implant of the OVCAR-8 tumor in nu/nu NCr mice. There were two groups in the study. Group 1: 1x10^7 cells were implanted SC- 100% Take Rate. Group 2: 1x10^7 cells were implanted SC, with Estradiol- 100% Take Rate. Notes: Ten animals were assigned to each group. Animals in the 1X10[7] [with estradiol] group [Group 2] were administered estradiol cypionate [in cottonseed oil] SC weekly at 1 mg/kg Starting at Day 23, animals in various groups that had reached endpoint were removed from the study resulting in fluctuations in the growth curves at subsequent time points.