The pontiff's surprise entrance came during a special Jubilee Mass for those who are sick and those who care for the sick.

The big picture: It marked the 88-year-old pontiff's first public appearance since leaving on March 23 Rome's Gemelli ...

Pope Francis made a surprise entrance to St. Peter's Square during a special Jubilee Mass for the sick and health workers on ...

Less than two weeks after his release from a Rome hospital, Pope Francis made an appearance at St. Peter's Square in the ...

Pope Francis made his first public appearance Sunday since his weeks-long hospital stay, greeting the crowd in St. Peter's Square at the Vatican.

After being hospitalized for life-threatening double pneumonia, the 88-year-old pontiff thanked the faithful in St. Peter's ...