A mass during the scrotum. If a varicocele is huge enough, a mass like a "bag of worms" can be obvious over the testicle. A scaled-down varicocele may be too small to determine but visible by touch. The precise reason for a varicocele is unidentified. Just one contributing element often https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-everything-you-need-to-know/