Hi Everyone,
I took Noah to the vet to have that hemipene problem looked at. The vet probed him and said that both his penes were in place and that the lump/bulge I see was basically like scar tissue - nothing to worry about. He said surgery would only be for asthetic reasons and didn't suggest it. He told me to watch it to make sure it doesn't get larger - if down the road it does create a problem he said he could remove the extra tissue without any problem.
So, I am relieved to learn that Noah is fine. All is well.
Thanks to everyone for your input.