Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . And aortic core valve device is seen . The mediastinal contour is unremarkable with atherosclerotic calcifications noted at the aortic knob . Hilar contours are within normal limits . Mild pulmonary vascular congestion is seen . Lungs are hyperinflated with findings suggestive of emphysema . Blunting of the left costophrenic angle likely reflects a trace left pleural effusion . Streaky atelectasis is noted in the retrocardiac region without focal consolidation . No pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Left basilar atelectasis with trace left pleural effusion . Mild pulmonary vascular congestion .