A Study of Intra-operative Imaging in Women With Ovarian Cancer

Participant Inclusion Criteria Part 1 (pre-operative): * 18 years or older * Diagnosed with primary or recurrent ovarian, fallopian tube, or primary peritoneal cancer * Scheduled to undergo debulking or cytoreductive surgery * Suspected need for a low anterior rectosigmoid resection at the time of a debulking procedure * Enrolled and consented before the operation Part 2 (intra-operative): * Completed rectosigmoid resection * Surgeon plans to perform colorectal anastomosis Participant Exclusion Criteria Part 1 (pre-operative): * Documented history of allergic reaction to ICG * Not approached for study enrollment before undergoing an unexpected low anterior rectosigmoid resection Part 2 (intra-operative): * Did not undergo rectosigmoid resection intraoperatively * Surgical procedure with rectosigmoid resection for any other type of gynecologic malignancy * Patient requires permanent colostomy