Odd mass on penis

I am 19 and haven't had sex in around 6 months, and this bump showed up about 5 days ago. It does not cause any pain, and it is very sensitive. The bump is on the back of my penis, connecting to the glans. Any ideas what it could be?

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You are going to need specialist medical help with this and the only specialist that can deal with this would be a Urologist
You can access these at many of the larger sexual health services or if you live in the UK, a GUM Clinic at the larger General Hospitals in the region in which you live …