Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart appears to be mildly enlarged . The calcification within the aortic arch is unchanged from the prior exam . Cardiomediastinal contours are otherwise unremarkable . There is a degree of haziness within the costophrenic angles as well as redistribution of pulmonary vasculature to suggest pulmonary vascular congestion ; however , the degree of congestion does not appear to be significantly different from the prior study ___ ___ . Lungs are otherwise clear with no focal infiltrates , pleural effusions or evidence of pneumothorax . Bony structures are intact .
    OUTPUT:
    
Mild pulmonary venous congestion .