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Varicocele

A varicocele is a common cause of a lump in the scrotum. It is a collection of widened veins on the outside of a testicle that can affect fertility in some men. Many varicocoelse develop during puberty.

Genital warts

Genital warts

Genital warts are are small, soft lumps in the genital area caused by some types of human papillomavirus (HPV). They are among the most common sexually transmitted infections (STIs).