Pope Leo XIV has been diagnosed with lung adenocarcinoma, the Vatican confirmed following surgery at Rome’s Gemelli Hospital on October 13, 2026. The 71-year-old pontiff underwent an operation to remove the lower lobe of his right lung after doctors discovered a small, localized growth during routine medical examinations. The procedure lasted approximately 90 minutes and was reported to have been successful, with no complications.

The diagnosis came days after Leo announced that doctors had detected a lung nodule at an early stage and recommended surgery. Before the operation, he thanked people for their support and prayers. Crowds also gathered outside the hospital to wish him well as he arrived for treatment.

Following surgery, the Vatican said the Pope awoke normally and returned to his hospital room after a brief period of observation. The diagnosis was confirmed through an examination of the removed tissue during the operation. Further medical results are needed to clarify the full extent of the disease, so the longer-term outlook remains uncertain.

Messages of support have arrived from Catholics, church leaders and people around the world. Medical experts note that lung adenocarcinoma can have favorable outcomes when detected early, although each patient’s prognosis depends on individual circumstances. The Pope’s recovery and further test results will be important in determining the next steps in his care.