VÍDEO: Cantor toca viola durante cirurgia para retirada de tumor no cérebro, no PR

Lincoln Furtado, known as Maldonado, played viola during a seven-hour brain tumor surgery at Hospital do Câncer de Londrina, Paraná, to help doctors monitor his speech areas. The successful procedure on a low-grade glioma allowed him to return home within two days, though further treatment may be required.