A mass from the scrotum. If a varicocele is big enough, a mass like a "bag of worms" might be seen higher than the testicle. A smaller varicocele could possibly be far too modest to determine but apparent by contact. A varicocele may cause very poor progress of the testicle, https://www.sgvascularctr.com/what-are-veins-and-why-should-i-know-about-them/