Are people with a vast number of moles at risk of skin cancer?

Moles: Moles can turn to cancers. You should keep checking your moles for any that change, grow, get different colors, or new moles. Let your doctor do a skin exam at least once a year.

Needs checked: The areas need to be checked by your physician especially if there are changes to moles such as thickening, changes in pigmentation, bleeding etc.