Have a small lump on knee cap it's alil painful didn't show up till after my cray I already had with my knee specialist cause I injured it about 2 years ago and I have a knee brace what should I do?

"didn't show up till after my cray"?? Crash?

There are many doctors and hospitals available where the knee pain, joint pain treatments are available. You have to contact to the best doctor of your locality.