<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi doctor, I think I might have a Cytomegalovirus infection.  <response>: I see. The required medical test for that would be a CT scan of your abdomen. However, thats not a standard test for Cytomegalovirus infection. Did you perhaps have an organ transplant recently?Patient: Actually, I had a corneal transplant a few months ago. 