Fat-free pleomorphic lipoma of the buccal mucosa: an immunohistochemical study and literature review - Cunha, John Lennon Silva; Tomo, Saygo; Mota, Carolina Peres; Correia Neto, Ivan Jose; Sousa, Sílvia Ferreira de; León, Jorge Esquiche; Albuquerque Júnior, Ricardo Luiz Cavalcanti de (Oral Oncology, 2021)