Clinical Challenge: An Embarrassing Mole on a Young Girl's Chest

A 15-year-old girl presents complaining of a mole on her chest that is inferior to her right breast. The mole was present since birth, but the patient’s mother thinks it may have thickened and darkened slightly during puberty.

The girl complains that the mole is very embarrassing, and she is too ashamed to wear a bikini. She says it ...