How Pope Leo's cancer diagnosis may impact responsibilities, travel plans
Pope Leo has been diagnosed with lung cancer, the Vatican announced on Tuesday. Candida Moss, Cadbury professor of theology at the University of Birmingham, discusses what this means for the pope's duties and Dr. Janette Nesheiwat breaks down the medical implications.

<p>Pope Leo has been diagnosed with lung cancer, the Vatican announced on Tuesday. Candida Moss, Cadbury professor of theology at the University of Birmingham, discusses what this means for the pope's duties and Dr. Janette Nesheiwat breaks down the medical implications.</p>