Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low with bibasilar bronchovascular crowding . No signs of pneumonia or CHF . The heart is moderately enlarged , though incompletely characterized given low lung volumes . The mediastinal contour is normal . No effusion or pneumothorax . Bony structures are intact .
    OUTPUT:
    
Cardiomegaly without evidence of pulmonary edema .