Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size and mediastinal contours are unchanged , with unfolding of the thoracic aorta . The right basilar atelectasis and consolidation which was seen previously has improved in the interval . There is persistent elevation of the left hemidiaphragm and minimal plate - like atelectasis at the left lung base . Minimal increase in prominence of the upper zone pulmonary vasculature suggest borderline pulmonary vascular congestion . No pleural effusion . No pneumothorax . The osseous structures appear unchanged .
    OUTPUT:
    
Improved right basilar atelectasis and / or consolidation ; stable left basilar atelectasis . Mild pulmonary vascular congestion .