ROME, Oct 13 (Reuters) - Pope Leo was diagnosed with lung cancer after surgeons removed a part of his right lung on Tuesday, the Vatican said in a medical bulletin, marking a significant health setback for the 71-year-old pontiff. Pope Leo was diagnosed with lung adenocarcinoma after surgeons successfully removed part of his right lung at Rome's Gemelli hospital. Key points and original sources are listed below.

• ROME, Oct 13 (Reuters) - Pope Leo was diagnosed with lung cancer after surgeons removed a part of his right lung on Tuesday, the Vatican said in a medical bulletin, marking a significant health setback for the 71-year-old pontiff.S1

• Pope Leo was diagnosed with lung adenocarcinoma after surgeons successfully removed part of his right lung at Rome's Gemelli hospital. The Vatican cancelled his public events until October 20.S2