What we know about Pope Leo XIV’s health

The news that Pope Leo XIV will have surgery next week left many asking what a lung nodule is.

He confirmed at the Angelus in St. Peter’s Square on Sunday that the lesion was caught early and is well localized. “The doctors consider it advisable to intervene. I have decided to have the operation to remove it, following their advice,” he said.

Many are asking how nodules are found, how they are evaluated, and what leads doctors to recommend removing them.

The condition, commonly called a “spot on the lung,” shows up on imaging as a white opacity against normal lung tissue and is generally up to 30 millimeters in diameter.

Dr. Bruno Vincenzi, head of the oncology service at the Campus Bio-Medico University Hospital in Rome, told ACI Prensa, the sister service of EWTN News, that a nodule can be found because a patient has symptoms that lead to tests.

“A persistent cough that has just appeared, expectoration — that is, producing phlegm with traces of blood — or chest pain can be reasons the patient undergoes studies,” he said.

He added that these findings are now increasingly accidental. Patients may be scanned before an operation or a hospital stay, or as part of a…