<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing sharp abdominal pain and my menstruation has been absent for the last couple of months. I am also having symptoms similar to those of the kidneys and difficulty eating. What could be the issue?  <response>: Based on your symptoms, it sounds like you may have ovarian cancer. I recommend that you get further testing and treatment as soon as possible. 