From last 2 days, I notice that 3 dark moles have suddenly started appearing on my foreskin of size about 6mm,5mm and 4mm.  And all three moles are very close together. And all three have neither itching nor any kind of pain and there is no problem of any kind. but I have UTI from many months Is there any problems from these moles or any type of skin cancer plz guide me ,I m very worried about moles