When Myeloma Extends Beyond the Bone Marrow: A Rare Pulmonary Manifestation - Moreira, Rita; Carvalho, Sofia Rodrigues de; Pinto, Filipe da Cunha; Pacheco, Júlio Daniel; Freitas, Mariana Santos; Areia Reis, Ana; Anjos, Diana Pereira (Brazilian Journal of Case Reports, 2026)