4. The participant has received prior radiotherapy to any portion of the abdominal cavity or pelvis other than for the treatment of ovarian, fallopian tube, or primary peritoneal cancer within the last 3 years. [Prior radiation for localized cancer (for example, of the breast, head and neck, or skin) is permitted, provided that it was completed > 3 years prior to the first dose of study medication, and the participant remains free of recurrent or metastatic disease.]