Warning TMI

So ladies, im calling to you guys for help. Yesterday in the shower I was getting all clean and smooth for mah mannn and i noticed a bump. Its not on the inside of the vagina but on the inner lip. About 2cm and grey. Hard but doesnt hurt. Im a hypochondriac and my first thought was cancer (runs in the family). Has anyone had a similar experience or know what it could be? A little scared to go to an gyno right now