Pope Leo diagnosed with lung cancer, Vatican says

Pope Leo XIV, the first American pope, has been diagnosed with lung cancer after surgeons removed the lower lobe of his right lung, according to the Vatican. Chris Livesay reports and Dr. David Jones, chief of thoracic surgery at the Memorial Sloan Kettering Cancer Center, has medical analysis.

NBC News' Claudio Lavanga describes the shocking announcement of Pope Leo's lung cancer diagnosis, after years of witnessing his active lifestyle and seemingly good health.

Pope Leo XIV was diagnosed with lung cancer, the Vatican said Tuesday, after he underwent surgery to remove a nodule from his lung. The 90-minute procedure was successful and removed the lower lobe of his right lung.

The Vatican said Tuesday that Pope Leo XIV was diagnosed with lung cancer after surgery to remove a lung nodule. The Holy See Press Office released a statement from Dr. Luigi Carbone and Professor Stefano Margaritora at Agostino Gemelli University Hospital in Rome, Italy.