Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . There is unchanged moderate cardiomegaly . Mild pulmonary vascular congestion is noted . A left chest biventricular AICD and leads are in unchanged positions . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Moderate cardiomegaly with mild pulmonary vascular congestion . Clear lungs .