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Patient Education

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn about general health issues that may not be related to Ear, Nose and Throat Disorders. Our providers may not see and/or treat all topics found herein

Melanoma skin cancer sign: Asymmetry

A normal mole and a mole with halves that do not match

Melanoma is the most serious type of skin cancer. The most important warning sign of melanoma is a change in the size, shape, or color 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: October 25, 2023

Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Pacific Sinus Center