<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been having some pain in my testicles lately, and Ive noticed a mass in my scrotum. On top of that, Ive been experiencing lower abdominal pain. What could be wrong with me?  <response>: Based on your symptoms, it sounds like you may have a hydrocele of the testicle. This is a condition where fluid builds up around a testicle, causing swelling and discomfort. 