- Patients must have measurable disease, defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded) as > 20 mm with conventional techniques or as > 10 mm with spiral computed tomography (CT) scan OR patients must have evidence of progression based on an elevated CA-125 (defined as a value of > 2 x upper limit of normal [ULN] documented on two separate determinations made > 2 weeks apart) if the physical exam is normal and CT scan of the chest/abdomen/pelvis, has a disease volume < 1 cm in maximum diameter