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Louis Prevost, brother of Pope León XIV, is undergoing treatment for multiple myeloma

Updated 2026-10-16 · told from many outlets at once

The Pope was diagnosed with pulmonary adenocarcinoma and had surgery to remove part of his right lung. Louis Prevost, the older brother of Pope Leo XIV, is hospitalized in Florida with multiple myeloma and is in a clinical trial for a relapse. Deborah Prevost said he returned to treatment three months ago.

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Outlets: Diario Libre, El Colombiano, El Universal (Mundo), El Universo, Estadão, La Vanguardia

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