Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There is mild left basal atelectasis . Hilar congestion is again noted . Cardiomegaly is unchanged . No large effusion or pneumothorax . Bony structures are intact .
    OUTPUT:
    
Cardiomegaly , hilar congestion , left basal atelectasis .