Pope Leo’s Doctors Share Encouraging Update After Lung Surgery
Eight days after surgeons removed part of his lung, Pope Leo XIV walked back into St. Peter’s Square on Wednesday — and his doctors had something to say.
The cancer was localized, and no further treatment is needed.
The Vatican released a statement from the pope’s medical team confirming that follow-up pathology reports came back clean. The tumor was contained. It had not reached the lymph nodes or traveled anywhere else in the body. “A subsequent oncological evaluation confirmed that no further treatment is necessary,” the doctors said.
Leo, 71, appeared before the faithful for his first weekly general audience since the October 13 surgery. He told the crowd he’d be easing back into his duties gradually. His doctors also confirmed there’s no medical reason he can’t go forward with a planned trip to Latin America next month.
What Happened and When
It started with a routine checkup. On October 11, the Vatican announced that a nodule had been discovered on Leo’s lung during standard medical testing. Two days later, surgeons at Rome’s Gemelli Hospital removed the lower lobe of his right lung. The operation went smoothly, no complications. Four days after that, he was home.
Fast recovery for a 71-year-old who just had part of a lung removed.
Then came the waiting. After lung cancer surgery, doctors analyze the removed tissue and nearby lymph nodes to figure out what they’re dealing with — and whether more treatment is needed. Chemotherapy, radiation, targeted therapy, or nothing at all. The answer for Leo: nothing at all.
What the Diagnosis Actually Means
The cancer type was pulmonary adenocarcinoma. That’s the most common form of lung cancer — about 40% of all cases — and it tends to grow slowly compared to other types. It typically starts in the outer parts of the lung, which can make it easier to detect before it spreads.
“Localized” is the key word in the Vatican’s statement. It means the cancer stayed exactly where it started. It hadn’t reached the lymph nodes. It hadn’t moved anywhere else. For localized lung adenocarcinoma, surgery alone is often curative — which is exactly what the doctors are saying happened here.
Dr. Stephen Liu, a lung cancer specialist at Georgetown’s Lombardi Comprehensive Cancer Center, put it plainly: the statements from Leo’s doctors suggest this was a stage one lung cancer “for which surgery is highly effective and expected to be curative.” No spread to the lymph nodes. No need to follow up with chemo or radiation.
Caught early. Treated completely. Done.
Why This Was Surprising to Begin With
Leo XIV — born Robert Prevost in Chicago — wasn’t exactly a candidate anyone expected to be rushed into surgery. He’s known for taking care of himself. The October 11 announcement caught people off guard, both inside and outside the Vatican.
He was elected the 267th pope in May 2025, becoming the first American to hold the position. The surgery was the first major health event of his 17-month papacy. It came fast, was handled fast, and appears to be resolved fast.
He’s expected back at full capacity soon. The Latin America trip is on. And Wednesday’s appearance in St. Peter’s Square — waving to the crowd, addressing the faithful — made clear that whatever the last eight days required of him, he came through it.
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