Overview
- The CPMI president disclosed the diagnosis at the committee’s final session on Dec. 4 and received a standing ovation from lawmakers.
- His office says the tumor was identified in March and that he has been on oral chemotherapy, with the condition described by him as controlled and without other organs affected.
- The procedure took place on Dec. 6 after he deferred doctors’ earlier recommendation, and the commission’s work is expected to resume in 2026 after his recovery.
- The CPMI is probing unauthorized associative discounts from INSS benefits and possible irregularities in consigned credit, linked to a federal police operation and reported losses estimated at R$6.3 billion from 2019 to 2024.
- Viana secured the chair in August by a 17–14 vote over Omar Aziz, a result widely framed as a setback for President Luiz Inácio Lula da Silva’s administration.