My right testicle is 2 times larger than the left one. i am worried about losing a testicle. what are some ways to help?

Seek pro-evaluation: Without a look & palpation, it's hard to offer accurate Dx. Clinically, bring the info on the onset, degree, duration, interval, evolution, progress, & resolution of the pain & swelling and their potentially related Sx to urologist for analysis + exam + tests so to ensure NO recurrent testicular torsion with spontaneous detorsion or STD-related urethritis leading to epididymitis or hydrocele...