Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires again noted . Cardiomegaly is stable . Lower lung opacity raises potential concern for atelectasis versus pneumonia . Small bilateral pleural effusions are likely present . Mild congestion is noted . No pneumothorax . Bony structures intact .
    OUTPUT:
    
Cardiomegaly , small bilateral pleural effusions . Lower lung opacity concerning for atelectasis versus pneumonia . Mild congestion . ___ , MD ___=___