Pope Francis’ upcoming commitments appeared increasingly in question Monday as he spent a fourth day in the hospital with a respiratory tract infection that has already sidelined him

The Vatican says Pope Francis slept well during a quiet first night in the hospital after being admitted with a respiratory tract infection. Francis, 88, ate breakfast Saturday morning and

The Vatican says Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization.

The Vatican says Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization.

The Vatican says Pope Francis' respiratory tract infection is presenting a "complex clinical picture" that will require further hospitalization.

Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization, the Vatican said Monday as concerns grew about the increasingly frail health of the 88-year-old pontiff.

Pope Francis was hospitalized Friday after a weeklong bout of bronchitis worsened and was receiving drug therapy for a respiratory tract infection, the Vatican said. It was the latest setback to the 88-year-old's pontiff's health that forced him to cancel his agenda through Monday at least.

Pope Francis was hospitalized Friday after a weeklong bout of bronchitis worsened and was receiving drug therapy for a respiratory tract infection, the Vatican said. It was the

Pope Francis was hospitalized Friday with a mild fever and a respiratory tract infection, according to the Vatican. His health has forced him to cancel his scheduled events through Monday. Vatican spokesman Matteo Bruni said that the pope is in "good spirits" amid the health issues,

Pope Francis was hospitalized with a respiratory tract infection and now has pneumonia in both lungs. He has been hospitalized since last week.

Pope Francis' respiratory tract infection has required a modification of his treatment to tackle a "complex clinical situation" and he will remain in hospital as long as is necessary, the Vatican said on Monday.