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The Express Gazette
Wednesday, October 14, 2026

Pope Leo XIV Diagnosed with Lung Cancer Following Surgery

Surgeons removed part of the Pontiff's right lung, confirming adenocarcinoma.

US Politics • an hour ago
Pope Leo XIV Diagnosed with Lung Cancer Following Surgery

Surgeons at Gemelli Hospital in Rome have removed the lower lobe of Pope Leo XIV's right lung after discovering a nodule that was subsequently confirmed to be adenocarcinoma. The procedure, which lasted 90 minutes, was led by Dr. Stefano Margaritora, a professor of thoracic surgery at the Catholic University of Sacred Heart. The Pope's medical team, headed by Dr. Luigi Carbone, had identified the suspicious nodule and performed tests indicating a potential malignancy, according to a statement from the Vatican.

Lung adenocarcinoma is the most common type of lung cancer globally, making up approximately 40% to 45% of all lung cancer cases. It falls under the umbrella of non-small cell lung cancer, which is generally characterized by slower growth and a less rapid spread compared to other forms of lung cancer. Early detection is considered crucial in preventing the progression of adenocarcinomas to advanced stages.

Current screening guidelines in the U.S. and internationally recommend low-dose CT scans for lung cancer detection primarily for individuals at high risk. This typically includes those aged 50 and older who have a history of heavy smoking or are current smokers. However, many individuals are diagnosed with lung cancer when undergoing chest CT scans for unrelated reasons, such as following an accident. Advocacy groups are advocating for expanded screening criteria to include younger individuals or those exposed to other risk factors like environmental radon, aiming to enable earlier detection for a broader population.

While the Pope's smoking history is not publicly disclosed, lung adenocarcinoma can affect both smokers and non-smokers, with a notable prevalence among non-smokers. Surgeons decided to remove a portion of the Pope's lung to ensure a complete resection, aiming to maximize the chances of preventing disease recurrence. The Pope regained consciousness after the surgery without complications and is expected to remain at Gemelli Hospital for approximately one week for observation as further tests are conducted on the removed tissue to determine potential future treatments.

Treatment options for lung adenocarcinoma are contingent upon the results of additional tests. For early-stage cancer that has not spread to the lymph nodes, surgery followed by monitoring may be sufficient. For more advanced cases, treatments such as targeted therapies, which are designed to specifically target mutations within cancer cells, or immunotherapy, which harnesses the patient's immune system to fight cancer, are available. The increasing innovation in lung cancer treatments has led to improved outcomes, particularly for non-small cell lung cancer, due to advancements in immunotherapy.

With his prior physical activity, including playing tennis and taking regular walks, and the range of modern treatment options available, experts anticipate Pope Leo XIV will be able to resume his papal duties with minimal limitations following his recovery.


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