A mass inside the scrotum. If a varicocele is huge adequate, a mass similar to a "bag of worms" may very well be seen over the testicle. A more compact varicocele may very well be also little to discover but apparent by touch. So in many ways, it's a cycle. https://www.sgvascularctr.com/what-are-veins-and-why-should-i-know-about-them/