David J Leffell, MDDavid P. Smith Professor of Dermatology and Professor of Surgery (Otolaryngology and Plastic); Section Chief, Dermatologic Surgery and Cutaneous OncologyResearch InterestsCarcinoma, Basal CellCarcinoma, Squamous CellEpidermisHead and Neck NeoplasmsMelanomaSkin NeoplasmsUltraviolet RaysWound HealingMohs SurgeryGenes, p53Keratosis, ActinicView Full Profile