u/Particular-Radish721

I have a very small, smaller than a garden pea, lump on the head of my penis. I feel to anxious to see a doctor but don’t know what to do. It’s been about a month or two, it looks slightly yellow and it’s hard but painless and I’ve had no other problems whatsoever so it doesn’t appear to be anything major. I’m just naturally quite worried about what it might be.