Pope Leo diagnosed with cancer, doctors remove lobe of lung, Vatican says

Pope Leo underwent surgery after doctors found a growth during a recent health check-up. They removed the lower lobe of his right lung using a video-assisted technique. The operation lasted about 90 minutes and had no complications. The aim was to make the procedure curative.

Doctors suspected cancer before surgery, based on preoperative examinations. During the operation, they took tissue samples from the growth. A rapid examination of those samples confirmed lung adenocarcinoma, a common form of lung cancer. This test gave the surgical team an immediate diagnosis while the operation was still underway.

The pope woke normally and rested in his hospital room. The Vatican said he was expected to remain at Rome’s Gemelli Hospital for about a week. His public engagements were cancelled until October 20, while doctors monitored his recovery after the lung operation.

Lung adenocarcinoma is a type of lung cancer that starts in gland-forming cells. These cells normally produce substances such as mucus. It is one of the main forms of non-small-cell lung cancer and is commonly found in the outer areas of the lung. The article identifies it as a common type of lung cancer.

Other lung cancers begin in different cells and behave differently. Squamous cell carcinoma usually starts in flatter lining cells, while small-cell lung cancer comes from neuroendocrine cells and often grows more quickly. Doctors distinguish these cancers by examining tissue under a microscope and using laboratory tests. The exact diagnosis helps guide treatment.

For Pope Leo, tissue examined during surgery confirmed adenocarcinoma. The diagnosis matched what doctors had suspected from examinations before the operation. The article gives no further details about the cancer’s stage, spread, or planned treatment, so those aspects remain unknown.

Pope Leo had the lower lobe of his right lung removed. This is a lobectomy, meaning surgeons take out one complete section rather than removing the entire lung. The article says doctors used a video-assisted technique and intended the operation to be curative. The removed tissue also provided samples for diagnosis.

Human lungs normally contain five lobes altogether. The right lung has three lobes: upper, middle, and lower. The left lung has two: upper and lower. The left side has fewer lobes because the heart occupies space beside it. Therefore, Pope Leo lost one of three lobes on the right, not the whole lung.

The operation was completed without complications, and Leo woke normally afterward. His expected hospital stay was about a week. How much lung function he will regain or retain is not stated in the article and depends on his recovery and overall health.

Doctors can use a rapid tissue examination during surgery because they need an early answer about a suspicious growth. The test examines a fresh sample while the patient is still in the operating room. It can show whether abnormal cells are present and what broad cancer type they resemble. The article says this examination confirmed Pope Leo’s adenocarcinoma.

In a common rapid method, the sample is quickly frozen, thinly cut, stained, and examined under a microscope by a pathologist. The freezing process makes the tissue available much sooner than a full laboratory analysis. It can also help assess whether a growth appears cancerous or whether its edges may contain abnormal cells.

This method is useful, but it is not always the final, most detailed diagnosis. Additional testing may follow after surgery. In Leo’s case, the rapid result matched doctors’ preoperative suspicion. The article does not report further laboratory findings or treatment decisions.

Removing a lung lobe changes how much lung tissue is available for breathing. A person may experience pain, tiredness, coughing, or shortness of breath during early recovery. The remaining lung tissue can continue working, but the body may need time to adjust. Recovery varies with the operation, the person’s health, and the condition of the remaining lung.

Hospital care is usually needed because the first period after chest surgery requires close observation. Medical teams can monitor oxygen levels, breathing, bleeding, infection, and heart function. They can provide pain relief and help the patient cough, move, and take deep breaths safely. These steps reduce risks linked to staying still and breathing shallowly.

Pope Leo’s operation lasted about 90 minutes and had no reported complications. He woke normally and rested in his hospital room. The Vatican expected him to stay about a week, but the article gives no detailed recovery forecast or list of postoperative symptoms.

When a pope becomes ill, the Catholic Church does not automatically appoint a deputy to assume his responsibilities. The pope remains the Church’s highest earthly authority, according to the article. This means illness can interrupt his public schedule without creating an automatic replacement at the top of the Church.

During Pope Leo’s hospitalization, Vatican administrative operations continued. At the same time, his public engagements were cancelled until October 20. The article does not describe a formal temporary leader or a transfer of papal authority. Leo’s medical team instead provided updates about his surgery and recovery.

This arrangement means the practical response depends on the pope’s condition and the Vatican’s decisions. Leo was resting after surgery, and doctors expected about a week in hospital. If illness limits public activity, administration can continue, but the pope’s own appearances and scheduled events may be postponed or cancelled.

The lungs exchange gases in microscopic air sacs called alveoli. Oxygen from inhaled air passes through their thin walls into nearby blood vessels. Carbon dioxide, carried in the blood as a waste gas, moves in the opposite direction and is breathed out. This exchange supplies the body with oxygen and removes carbon dioxide.

Removing one lobe does not remove every alveolus. The remaining lobes still contain air sacs and blood vessels, so they can continue exchanging gases. The chest and breathing muscles also keep moving air in and out. The body may initially have less breathing reserve, especially while the surgical area heals, but breathing can continue.

Pope Leo had his right lower lobe removed and woke normally after surgery. The article does not report his oxygen levels, breathing tests, or long-term lung function. His hospital stay was intended to support monitoring and recovery after the operation.