 [ Symptoms ] the doctor diagnosed me with epididymitis and prescribed me with a course of doxycycline for 7 days [ Disease ] you do not have cancer according to your symptoms it is uncommon in your age also doctors can exclude tumors by doing a simple usg to your testicles which is obviously done to diagnose epididymitis whilst the stomach pain and chest pain seemingly refers to another problem that could be gastritis due to anxiety and increased intake of pain killers and antibiotics calm down and get your medications rest and follow the remedies for epididymitis treatment