John Paul II's hospital stays at Gemelli were much longer than Pope Francis' so far. Here's a look

Vatican Pope John Paul II Hospitalizations - (AP)

Pope Francis has spent 18 full days at Rome's Gemelli hospital recovering from double pneumonia. It's by far the longest hospitalization of his 12-year papacy, and there is no indication how long it may still last.

But it doesn't come close to approaching the record-long stays of St. John Paul II during his quarter-century pontificate.