Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low limiting assessment . There is no convincing sign of pneumonia or edema . There is mild basal atelectasis . Heart is top - normal in size . There may be mild hilar congestion without frank edema . Mediastinal contour is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Top normal heart size with probable pulmonary vascular congestion .