Quite a while ago i noticed a very small pimple like thing on my right testicle. Its only really noticable when i properly examine my testice not when i do it roughly. Its located very close to the epididemis too and it is firmly on the testicle; doesnt move around at all. Do you know what this could be ? And is testicular cancer when there is a pea sized lump only or can it come in different forms ?