Hi. My Grand Father Is 85years Age. He Is A

Hi. My grand father is 85years age. He is a cardiac patient and has asthma. Two months back he had a stone removed from bile duct and stunt is put their. Now he is been identified with gall bladder infection. Has Been hospitalised and gvn antibiotics and has recovered now. Is he fit for a surgery. Or is ther any other options to prevent the recourence of the infection