How to spot the warning signs of Hydrocele Tumor Symptoms. Understand what to look for and what other treatments might be available. Hydrocele Tumor Symptoms Hydrocele is an abnormal accumulation of fluid in a thin-walled sack that surrounds a testicle. It can cause pain and discomfort due to the size and heaviness of the fluid-filled sack. If left untreated, it can become cancerous. This is why it’s important for men to be aware of the signs and symptoms associated with hydrocele tumor symptoms. Knowing what to look out for can help detect any complications earlier on and receive proper treatment as soon as possible. In this article, we will explain what hydrocele tumor symptoms are, how to spot them, and discuss herbal treatments that may help alleviate discomfort.