Key Facts

• Pope Leo had surgery to remove the lower part of his right lung due to a type of lung cancer called adenocarcinoma.
• He left Rome’s Gemelli hospital after four days and returned to the Vatican.
• Pope Leo greeted patients and thanked hospital staff during his stay.
• He has started resuming daily activities and held meetings with aides.
• The Vatican shared photos of him celebrating Mass in the hospital chapel.
• His next major event is a trip to Latin America scheduled for early November.
• Doctors are waiting for more test results to decide if further cancer treatment is needed.
• Medical experts say patients can usually fly three weeks after lung surgery if recovery goes well.