If your oncologist
does not think it is necessary to get a CA125 or a CAT scan done then don't worry too much.
If you are not satisfied with the opinion of your oncologist, you can consider getting a second opinion
from another oncologist.
Healthcaremagic gives you the option to consult a specialist online. You can choose an oncologist from the panel of doctors at the following link http://www.healthcaremagic.com/specialists/Oncologist-Medical/28.