Melanoma is the most serious type of skin cancer. The most important warning sign of melanoma is a change in the size, shape, or colour of a mole or other skin growth, such as a birthmark.
Asymmetry is one thing to watch for. This means that one half doesn't match the other half. Call your doctor if you notice that:
One half of a mole doesn't match the other half.
Current as of:
March 1, 2023
Author: Healthwise Staff Medical Review: Kathleen Romito MD - Family Medicine Adam Husney MD - Family Medicine Amy McMichael MD - Dermatology Donald Sproule MDCM, CCFP - Family Medicine
Medical Review:Kathleen Romito MD - Family Medicine & Adam Husney MD - Family Medicine & Amy McMichael MD - Dermatology & Donald Sproule MDCM, CCFP - Family Medicine