PARTIAL HEPATECTOMY BY RETROPERITO-NEAL TUMOR WITH HEPATIC INVASION: A CASE REPORT - Cavalcante, Barbara Paulo; Pires, Thiago Costa; Santos, Gustavo Torres Lopes; Rocha, Lara Valeska de Medeiros; Borges, Marjorie Ravena de Oliveira Pereira; Silva, Francyjane Emanuela Ferreira Mesquita (Brazilian Journal of Oncology, 2019)