Difference between melanoma and a labial melanotic macule? especially if the pigmentation doesnt have any cancer signs. is it safe to watch the area for changes over a month or so?

If concerned about melanoma the lesion should be seen by a dermatologist as soon as possible, best in person in case a biopsy is needed. ABAsymmetry: One half does not match the other half.Border: The edges are not smooth. Color: color is mottled and uneven, w/ shades of brown, black, gray, red or white. Diameter: size a pencil eraser 6mm, Evolving size new or changing size, shape color