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Dual Health Crises: Pope and Brother Confront Cancer
14 Oct
Summary
- Pope Leo XIV has been diagnosed with lung cancer following surgery.
- His older brother, Louis Prevost, is undergoing treatment for multiple myeloma.
- Both brothers are facing serious health challenges concurrently.

Pope Leo XIV is currently facing a lung cancer diagnosis following a recent surgery. The Vatican confirmed that the lower lobe of his right lung was removed and that cancer was detected. Details regarding the cancer's stage and potential spread remain undisclosed.
Adding to the family's challenges, Pope Leo XIV's older brother, Louis Prevost, is also undergoing treatment for multiple myeloma. His wife reported that Louis is participating in a clinical trial for the condition, which he has managed since a 2017 diagnosis. He had previously achieved remission but recently "fell out of remission."
Louis Prevost had spoken with his brother, the Pope, last week before beginning his current clinical trial. The family is reportedly managing these significant health concerns with hope and prayer. Pope Leo XIV, born Robert Prevost, is the first U.S.-born leader of the Catholic Church and grew up in the Chicago area with his siblings.