The EU has pledged $2.7 billion in aid to Syria to help the country rebuild after the fall of Bashar al-Assad.
The pontiff was admitted to Rome's Gemelli Hospital in February for double pneumonia.
Atletico host LaLiga leaders Barcelona on Sunday with Madrid side still reeling from defeat by Real in Champions League.
Kylian Mbappe's first half brace in the 2-1 win against Villareal moves Madrid three points clear atop the standings.