 [ Symptoms ] i have varicocele 3rd grade can i improve male fertility if improve male fertility if i go for varicocele microsurgery [ Disease ] i can not see it as you know nor can i take a more detailed medical history or examine you to narrow down the possibilities this can be a bite spider  or you may have secondary infection just a blind guess without a hands on examination you cannot be properly diagnosed or treated so i suggest that you seek a medical evaluation today