Pope Francis has shown a "further, slight improvement" in his medical condition, the Vatican said on Wednesday, in a sign of progress as the 88-year-old pontiff battles double pneumonia. The pope is spending his 13th night at Rome's Gemelli hospital,

The slight renal insufficiency the pope had in recent days subsided and a CAT scan of the chest showed a normal evolution of the pulmonary inflammatory picture.

VATICAN CITY (Reuters) - Pope Francis, battling double pneumonia, had a quiet night in hospital and is resting, the Vatican said on Wednesday. The 88-year-old pope is spending his 13th day at Rome's Gemelli hospital, the longest hospital stay of his nearly 12-year-old papacy.