A 55 year old male with a long history of tobacco smoking presents with diffuse dark pigmentation on the hard palate as seen in the image. What is the most likely diagnosis? A. Oral Differential Diagnosis of Pigmented Lesions Springer Nature Link Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer a Multifocal brown macules on the hard palate showing variation in Download Scientific Diagram