How do i know if i have a sign of skin cancer?

Skin cancer: Skin cancer signs may include a spot or bump that is changing size, color, or shape. Also an area that does not heal may represent a skin cancer . See a dermatologist for any suspicious areas and a routine skin exam.

Info: Examine all lesions for the abcde's of skin cancer: a(asymmetry) one half is not like the other half), b(border) irregular, poorly defined or scalloped border, c(color) multiple colors of tan, brown, dark black, red, white, or blue, d(diameter) greater than 6mm or a pencil eraser, e(evolving) changing in size, shape, or color, or bleeding.