Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Lung volumes are low . Heart is moderately enlarged . Cardiomediastinal contour is otherwise unremarkable . Lungs are clear . There is no pulmonary edema . No focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
Moderate cardiomegaly without overt signs of congestive failure .