A blue/black lesion on the buccal mucosa near the molars is most likely:

Question

Quizplus · Accepted Answer

Most skin cancers arise in skin that is exposed to ultraviolet radiation (e.g., the skin of the face, the back, the legs, or the arms). A blue or black lesion on the outside of the body would be suspicious for melanoma. One found inside the mouth on the buccal mucosa is probably a tattoo inadvertently placed in the mouth during a dental filling by stray amalgam.

A Blue/black Lesion on the Buccal Mucosa near the Molars