The 88-year-old has now spent four weeks in hospital, much of it with an uncertain prognosis, but he is no longer in imminent danger of death. He first entered Rome's Gemelli Hospital on February 14 and remains under medical supervision.

Cautious relief as Pope Francis marks one month in hospital - The 88-year-old pope has not been seen by most faithful since a general audience on February 12 in the Vatican’s Paul VI Hall