If you "ain't goin" to a doctor then you might as well have cancer.

You might very well have cancer, or this could be something completely normal. It may benign; it may just be how your body is. Or, it could be a horrible disease.

We do not know. You need to go to a doctor. We cannot tell you what is wrong. There is nothing bad or scary about going to a doctor. The most frightening thing for me is to hear every day about people who don't want to go get checked out. These are the people who become injured, sterile, sick, or die, from complerely curable conditions and diseases.

it is actually normal for men to have their left ball bigger than the right. as for the lumpyness i dont know. i dont have testicles. you should certainly look out for changes, anything that isnt normal for you, or pain.

but yeah, noone here can do a physical examination of you. noone can diagnose you. if you are concerned you need to go to a doctor. period.