<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing infertility, penis pain, groin pain, a mass in my scrotum, and swelling of my scrotum. What could be the cause of these symptoms?  <response>: Based on your symptoms, you may be diagnosed with varicocele of the testicles, which is when the veins in the scrotum become swollen and enlarged. 