If you get skin cancer in a mole will the mole change or stay the same?

The mole will:

- Change color. Usually it will be several different colors.
- Change shape. Usually it will have oddly shaped edges, instead of circular.
- Change size. Usually, if it's bigger than an eraser (on the back of a pencil), you should get it checked out.

Ensure your doctor does a check of any of your "beauty marks" during your annual physicals. They can easily be removed with lasers if they're questionable.

The mole with likely discolor and become irregualar in shape. You should have you doctor look at your moles whenever you go...
I would change but you should go to a doctor and not rely on answers.yahoo for such a serious quesiton
It will change, though sometimes you won't notice a change unless you take a picture over a few weeks/months/years.
it will turn darker, swell or go black... get an autopsy to see if it is cancer, it may just be the mole...dont worry
The mole will change.If you have a changing mole see a dermatologist right away!!!
I believe the mole darkens over time and grows larger. Sometimes if aggravated, it bleeds.
You should really get it checked and have a medical procedure called a Biopsy done to be sure.