The 71-year-old underwent an operation to remove a pulmonary adenocarcinoma, among the most common types of lung cancer. Officials said it was “successfully completed.”

Several hundred people gathered at Rome's Gemelli Hospital before the pope's operation, news of which had caught many in Vatican City off guard.

Several hundred people gathered at Rome's Gemelli Hospital before the pope's operation, news of which had caught many in Vatican City off guard.

Mosaics by Marko Rupnik, a Slovenian priest-artist, were covered up after at least 20 women accused him of sexual and psychological abuse. He is now on trial.

Mosaics by Marko Rupnik, a Slovenian priest-artist, were covered up after at least 20 women accused him of sexual and psychological abuse. He is now on trial.