Complete endoscopic resection of low-grade nasopharyngeal papillary adenocarcinoma: a case report - Compagnoni, Inaê Mattoso; Lamounier, Lorena Andrade; Fontanini, Letícia; Silveira, Gabriela Tosta; Faria, Francesca Maia; Reis, Maristella B. Francisco dos; Valera, Fabiana Cardoso Pereira (Brazilian Journal of Otorhinolaryngology, 2021)