Answers:
Simple inflammation cause swelling of the testis is- Orchitis.
If the basis is a up to date growth (tumor) it may be Seminoma or Teratoma testis.
Scrotal swelling due to mountain of fluid around testis is call Hydrocele. In this testis itself is middle-of-the-road.
Hope this help.
Good luck!
sexual deprivation.
prostate cancer