I have what seems to be a mole at the base of my penis. It s a deep brown pigment and roughly 3mm in size that protrudes about 3mm as well. I m 22 years old and It s been there for approximately 3 years if not more, with no noticed growth, pain, or anything of that matter. There are no clusters, just a single mole. Just curious if it s something I should see a doctor about or if it s a, more or less, common occurence. Thank you for your time.