I'm guessing you mean lymphoma? Doctor I am not, but those bumps are small when they appear and hard to the touch.
Edit: I just looked up lipoma, not lymphoma... That could very well mask itself as a hernia.
How big are the bumps? Do they get bigger when you strain, like taking a big dump?
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I've recently recovered from an inguinal hernia. Those bulges your seeing are the intestine protruding over the nut cord. You can push it back in, or stop all heavy weight and it might go back in, it WILL come back out though!
This type of hernial can happen in multiple places in that area...