Hi. I do not no much about your cancer. I have epithelial ovarian cancer.
Get a doctor you trust. I am in GREAT hands with my oncologist. He is very proactive in my health, but then again so am I. It is my body. You have to be your own advocate. Doctors do need reminded.
About the different scans; A vaginal ultrasound will show tumors/masses on your overies and within that area. It is not that expensive, and it is usually one of the first test ordered to check for ovarian cancer.
CAT Scans are usually performed on the chest abdomen and pelvis. Ovarian cancer is an abdominal cancer, so this test is used more frequently. Unfortunately, it will only show cancer that is greater than 1cm in size. It is more expensive than an ultrasound, but both are usually done before you get operated on.
PET Scan is the best scan for our cancer, but it is very expensive; about $15,000. It will show cancer less than 1cm in size. They use this test if your doctor suspects that your cancer has returned.
I hoped I helped with your questions. My best to you and your family.