MALIGNANT PERIPHERAL NERVE SHEATH TUMOR IN THE RETROPERITONEUM NOT ASSOCIATED WITH THE RENAL OR PERIRENAL PARENCHYMA. Macedonian Journal of Anaesthesia, [S. l.], v. 9, n. 2, p. 111–115, 2025. DOI: 10.55302/MJA2592111pch. Disponível em: https://new.mja.mk/index.php/journal/article/view/84. Acesso em: 12 jun. 2026.