Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy with intact sternotomy wires . A left - sided cardiac AICD remains in place . The Swan - Ganz catheter , enteric tube and endotracheal tube have been removed since the prior exam . There is no pneumothorax . The lungs hypoinflated but grossly clear . The heart again appears enlarged despite the projection .
    OUTPUT:
    
Status post revision AVR with no pneumothorax . Grossly clear lungs . Stable cardiomegaly .