The Vatican announced that Pope Leo XIV will undergo surgery to remove a nodule discovered in his lung.
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The Pope, a 71-year-old Chicago-born American, revealed during the midday prayer in St. Peter's Square his first health crisis in 17 months of office, saying: "Doctors found a small, localized nodule in my lung, which was discovered at a very early stage and is limited."
He explained that medical tests revealed a "small, localized nodule" in his lungs, which was "detected at a very early stage and is localized." The Pope indicated that he would follow the advice of the doctors who "believe that intervention is the best course of action."
The Vatican press office indicated that the operation would take place "in the first days of this week," without officially confirming whether it would be Tuesday, October 13, or Wednesday, October 14. The Pope is expected to remain in the hospital for about a week to recover.
This process comes in a context that highlights the importance of understanding lung nodules, as most of them are benign and their discovery does not necessarily mean a diagnosis of a serious disease.
What are lung nodules?
Lung nodules are small, abnormal spots in the lungs, usually less than 10 mm in diameter. They appear on X-rays or CT scans as round, white masses. Doctors sometimes classify them according to their firmness as "ground-glass opacification," a hazy area that allows the underlying structures to be seen, or "solid" (obstructing the view).
Nodules are discovered in up to half of adults who undergo chest imaging tests.
How serious are lung nodules?
Small nodules usually don't cause any symptoms. Larger nodules, especially those that compress the airways or are malignant, may be associated with shortness of breath, chest pain, chronic cough, fatigue, or recurrent respiratory infections. Although 95% of nodules are benign, most lung cancers begin as nodules.
Nodules that do not grow for two years are considered non-cancerous.
Most vulnerable groups
Those most at risk of developing nodules include smokers, the elderly, and those with a history of chronic respiratory infections or ongoing exposure to toxic chemicals.
Nodules can result from multiple factors, including immune cell clusters (granulomas), benign or malignant tumors, and fibrosis caused by smoking or inhalation of lung irritants.
Diagnosis of pulmonary nodules
Lung nodules are often discovered incidentally during chest X-rays or CT scans. The size, shape, borders, and composition of the nodule are assessed to determine the need for further imaging tests, blood work, or a biopsy to diagnose its nature.
A biopsy is recommended in cases of nodules larger than 9 mm, or in patients who are smokers (current or former), or who are over 65 years of age, or who have a family/personal history of cancer, or who have been exposed to asbestos or passive smoking.
Treatment of pulmonary nodules
Treatment depends on the cause of the nodule. In cases of infection, antibiotics or antifungal medications may be prescribed. For benign nodules, the doctor may recommend regular monitoring with CT scans or suggest surgical removal. Cancerous nodules may require surgery and chemotherapy, or radiation therapy, especially if the cancer has spread.
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