In the process of removing a Labial Melanotic Macule. A Labial Melanotic Macule is a well defined, oval, brown to black, flat patch on the central third of the lower lip, as seen Mucosal melanocytic macules A Fast Growing Black Patch on the Upper Front Gum: Malignant Melanoma Springer Nature Link DermDx: Brown Macule on Lip Dermatology Advisor lip cancer Keyword Search Science Photo Library Laser Lip Treatment for Lip Discoloration: Patient Transformation