i found a nickel sized lump next to the right side of my scrotum in the shower tonight,im worried if its something small or something large,i squeezed it thinking it was possibly a small zit?OOPS,ive never seen so much nast puss-blood looking stuff come out and it not get smaller,can someone please shoot me some info on this?its maybe 1/2inch-5/8inch in diameter,hurts now(after i squeezed it,very hard(feeling),please,any info would help,im thinking benign cyst,but not sure,possibly a small fat tumor?im in pretty good physical shape though-thanks