Some common benign tumors include:
Warts (skin tumor resulting from a virus)
Seborrheic keratoses (growths on the skin ranging from light skin color to dark brown)
Nevi (skin growths such as moles or birthmarks)
Dermatofibromas (scar tissue from an old bug bite or acne lesion)
Lipomas (normal fat in an abnormal location, most often from a traumatic injury)