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What is this red line from the base of my penis shaft to a bump?

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I have a red line from the base of my penis until it leads to a bump (its about 2mm x 2mm x 1mm) near the head of my penis. Its definitely not a vane but looks like its been irritated. I AM STILL A VIRGIN, so I'm pretty sure I don't have any STD's... If any one could tell me what it is or if I can get rid if it?