Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . There is pulmonary vascular congestion which is increased from prior exam . Lung volumes are low . No effusion is seen . The heart size is stable . Mediastinal contour is unremarkable . There is no pneumothorax . Bony structures are intact .
    OUTPUT:
    
Perihilar opacities most compatible with pulmonary vascular congestion .