The main symptom is a painless, swollen testicle, which feels like a water balloon. A hydrocele may occur on one or both sides.
What is the history of hydrocele and what are its symptoms?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the history of hydrocele and what are its symptoms? [/INST] \n The main symptom is a painless, swollen testicle, which feels like a water balloon. A hydrocele may occur on one or both sides.</s>