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Pope's Brother Also Has Cancer
14 Oct
Summary
- Pope Leo XIV's brother is undergoing cancer treatment.
- The Pope had successful surgery for lung cancer.
- The family is keeping spirits up for both battling illness.

Pope Leo XIV's brother, Louis Prevost, is concurrently undergoing treatment for a form of blood cancer. His wife, Deborah Prevost, confirmed that Louis is receiving CAR-T cell therapy for multiple myeloma as part of a clinical trial in Florida. This diagnosis comes shortly after the Vatican announced that Pope Leo XIV, the first US-born head of the Catholic Church, has been diagnosed with lung cancer.
The 71-year-old Pope recently underwent successful surgery for lung adenocarcinoma at Rome's Gemelli Hospital. A portion of his right lung was removed, and he is expected to remain hospitalized for approximately one week. The medical bulletin indicated the operation was successful with no complications, and the pontiff had a peaceful night post-surgery.
Deborah Prevost stated that the family is experiencing a challenging time but is focused on maintaining positive spirits for both brothers. She mentioned that Pope Leo XIV had called to inform them about his upcoming surgery last week. The brothers last spoke as Louis Prevost prepared for his hospital admission, with the Pope expressing hope for his brother's recovery.