Pope Leo lung cancer surgery: what kind of operation did he have and what happens next?

by | Oct 20, 2026 | Religion

Pope Leo lung cancer surgery: what kind of operation did he have and what happens next?

Surgeons in Rome performed a lobectomy on the pontiff following discovery of a small growth identified as adenocarcinoma during a routine health examination. The procedure involved removal of the lower lobe of his right lung, the section containing the tumor, along with nearby lymph nodes to assess whether cancer had spread to other areas.

Adenocarcinoma represents the most prevalent form of non-small cell lung cancer, accounting for approximately 85 percent of all lung cancer cases. It typically develops in the outer portions of the lung and occurs most frequently in individuals with no smoking history, though overall incidence remains higher among smokers. The Vatican disclosed that the diagnosis was confirmed during the surgical procedure itself, possibly through a technique called frozen section analysis, which allows rapid microscopic examination of tissue samples while the patient remains under anesthesia.

The surgical team employed video-assisted keyhole techniques, the standard approach for contemporary lobectomies. This minimally invasive method typically produces less postoperative pain, smaller surgical scars, and faster recovery compared to traditional open surgery. Following the procedure, medical staff inserted a chest drain to allow air and fluid drainage as the lung heals. Standard post-operative protocol calls for early mobilization, with patients typically assisted out of bed the following day to reduce risks of blood clots and respiratory infections.

The pontiff is anticipated to remain hospitalized for approximately one week. A comprehensive pathology report will determine whether additional treatments become necessary. Adenocarcinomas are now routinely screened for specific genetic mutations that targeted medications can address, with some patients receiving immunotherapy or chemotherapy to lower recurrence risk. Medical guidance typically recommends waiting two to three weeks following surgery before air travel, contingent on complete lung healing. This timeframe would allow the pope a narrow window for preparation before his planned overseas travel scheduled for November.

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