Two nuns arrive in St. Peter's Square at the Vatican for the traditional noon blessing after praying the Angelus with Pope Leo XIV, Sunday, Oct. 18, 2026, a day after he returned from the hospital, where he had lung cancer removed on Tuesday. (AP Photo/Gregorio Borgia)

Pope Leo XIV, followed by, from left, surgeon Stefano Margaritora, Archbishop Petar Rajič, prefect of the Papal Household, and Commander of the Vatican Gendarmerie Gianluca Gauzzi Broccoletti, leaves Rome's Agostino Gemelli Polyclinic on Saturday, Oct. 17, 2026, after Tuesday's surgery to remove lung cancer. (AP Photo/Alessandra Tarantino)

This picture, released by Vatican Media on Friday, Oct. 16, 2026, shows Pope Leo XIV, flanked by his personal secretary, Monsignor Edgard Iván Rimaycuna Inga, left, celebrating Mass at the Agostino Gemelli Polyclinic in Rome, where he is recovering after having cancer removed from his right lung. (Vatican Media via AP)

Pope Leo XIV, followed by surgeon Stefano Margaritora, leaves Rome's Agostino Gemelli Polyclinic on Saturday, Oct. 17, 2026, after Tuesday's surgery to remove lung cancer. (AP Photo/Andrew Medichini)

Pope Leo XIV leaves Rome's Agostino Gemelli Polyclinic on Saturday, Oct. 17, 2026, after Tuesday's surgery to remove lung cancer. (AP Photo/Gregorio Borgia)

Protesters face police during a demonstration against rising living costs, joining students' grievances, in Paris, Saturday, Oct. 17, 2026. (AP Photo/Emma Da Silva)

Protesters attack a tourism office during a demonstration against rising living costs, joining students' grievances, in Lyon, France, Saturday, Oct. 17, 2026. (AP Photo/Laurent Cipriani)

Protesters walks past a burning bin during a demonstration against rising living costs, joining students' grievances, in Lyon, France, Saturday, Oct. 17, 2026. (AP Photo/Laurent Cipriani)