Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lines and tubes are unchanged from ___ : 00 today . The cardiomediastinal and hilar contours are stable . An intra-aortic balloon pump is in satisfactory position . Lung volumes are low which accentuates bronchovascular markings . Given that , there is slightly increased pulmonary vascular congestion without frank edema . There is a small layering left pleural effusion . The right lung is clear .
    OUTPUT:
    
Low lung volumes . New small left , layering pleural effusion and mildly increased pulmonary vascular congestion .