<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi doctor, Ive been experiencing peripheral edema, feeling ill, and back pain lately. I also have fluid retention and weakness. What could be the problem?  <response>: After reviewing your symptoms, I believe you may have vulvar cancer. It is important that we run some tests to confirm a diagnosis and develop a treatment plan. Can you schedule an appointment as soon as possible? 