Pope Leo Schedules Surgery to Remove Early-Stage Lung Nodule

VATICAN CITY, Oct. 11, 2026 — Pope Leo XIV said Sunday he will undergo surgery this week to remove a lung nodule that doctors detected "at a very early stage," according to NBC News. The 71-year-old pontiff has not had a cancer diagnosis, and the Vatican has not said what kind of procedure he will have.

Here is what is known, and not yet known, broken down by the numbers.

What did the Vatican say about the surgery?

Vatican spokesman Matteo Bruni said in a statement that "the operation is scheduled for the first days of this week," and that doctors estimate about one week of post-operative recovery, NBC News reported. The statement did not name the hospital, the surgeon, or the surgical technique. The Vatican also did not say whether Pope Leo had a biopsy before scheduling surgery, a detail doctors say matters for understanding how the case is being handled.

What is a lung nodule, and how worried should a patient be?

A lung nodule is a small mass of tissue picked up on an X-ray or CT scan, according to NBC News, citing the American Lung Association. Nodules have several possible causes: air pollution and other irritants, autoimmune diseases such as rheumatoid arthritis, scar tissue from a past infection, or cancer. Most nodules turn out to be benign. Pope Leo himself described the finding as caught early, which doctors generally say is the best-case scenario if a nodule does turn out to be malignant.

Why go straight to surgery instead of a biopsy first?

Dr. Ankit Bharat, chief of thoracic surgery at Northwestern Medicine, told NBC News that the approach depends on the nodule's size, its location, and whether doctors already suspect cancer. "When doctors decide to proceed directly to surgery rather than first obtaining a biopsy, it can suggest a higher level of concern on the lung scan," Bharat said. The surgery itself will double as the diagnostic step: doctors will examine the removed tissue under a microscope afterward, which is when a definitive answer on cancer would come.

Lung cancer is most often linked to cigarette smoking, but about 20% of cases are diagnosed in people who never smoked or used tobacco, according to the American Cancer Society, as cited by NBC News. Finding a nodule on a scan does not by itself confirm a cancer diagnosis.

How long will recovery take?

The Vatican's own estimate is about one week, but outside doctors say that number could shift depending on what surgeons find. Bharat told NBC News that newer, less invasive techniques mean many patients are walking within a day or two of a lung procedure. If the nodule turns out to be larger, or if more lung tissue needs to be removed, full recovery can stretch to three or four weeks. Bharat also noted that "given the pope's age, his recovery could be slower than that of a younger, otherwise healthy patient."

What happens to the pope's public schedule?

NBC News reported that Pope Leo has a major trip scheduled, though the report did not specify dates or destination details beyond noting the upcoming commitment. The Vatican has not said whether that travel will be postponed.

What to watch

• Whether the Vatican names the hospital and confirms the surgical method once the operation is complete.
• Whether pathology results, expected after the tissue is examined under a microscope, show a benign or cancerous nodule.
• Whether the one-week recovery estimate holds, or whether Bharat's three-to-four-week scenario applies instead.
• Whether Pope Leo's previously scheduled trip proceeds, is delayed, or is canceled.

Glossary

• Lung nodule: A small spot of tissue found on a chest X-ray or CT scan; most are not cancer.
• Biopsy: A procedure that removes a small tissue sample to check it under a microscope, usually done before surgery when doctors want more information first.
• Thoracic surgery: Surgery involving organs inside the chest, including the lungs.
• Post-operative recovery: The time between surgery and a patient's return to normal activity.

The Vatican has not released additional medical details beyond Bruni's statement, and NBC News said it is unclear whether a biopsy was performed ahead of the scheduled operation.