What we know about Pope Leo's lung cancer and prognosis

The Vatican says Pope Leo has lung cancer and that doctors removed the lower lobe of his right lung in a surgery that lasted roughly 90 minutes. In a statement, the Vatican called the operation "successful" and said there were "no complications." For more on the Pope's prognosis, Geoff Bennett spoke with Dr. Omer Awan, a physician and senior public health contributor at Forbes.

The Vatican says Pope Leo has lung cancer and that doctors removed the lower lobe of his right lung in a surgery that lasted roughly 90 minutes. In a statement, the Vatican called the operation "successful" and said there were "no complications." For more on the Pope's prognosis, Geoff Bennett spoke with Dr. Omer Awan, a physician and senior public health contributor at Forbes.