Pope Francis' doctors on Monday lited a "guarded prognosis" though he will need to remain in the "hospital setting for a period of time" in the treatment of double pneumonia, the Vatican said.

Rome — Pope Francis woke up Tuesday to good news from his doctors: They upgraded his prognosis and say he is no longer in imminent danger of death as a result of the double pneumonia that has kept him hospitalized for nearly a month in the longest and gravest threat to his 12-year papacy.

Pope Francis, battling double pneumonia, remains under close medical supervision as he enters his fourth week in the hospital.