 If you are found to be eligible to take part in this study, you will begin taking AZD1775 on the day of your laparoscopy. You will first take AZD1775 tablets 2 times each day on Days 1-3. Depending on when your tumor reduction surgery is scheduled, you may continue taking the study drug on Days 8-10, 15-17, and 22-24. The study doctor will discuss this with you. 