Expert answer:
It may even be a cancer, but the chance is very small there are many other things that can cause "ball" in the groin, most of them are related to inflammation or infections or hernia.
Appeared near the groin a little ball looks more like swelling and when I go to sleep I realize that this ball drops this can be cancer or what can be?
It may even be a cancer, but the chance is very small there are many other things that can cause "ball" in the groin, most of them are related to inflammation or infections or hernia.