Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged , unchanged . The mediastinal and hilar contours are similar . Mild upper zone vascular redistribution is present compatible with mild pulmonary vascular congestion . New ill - defined patchy opacities are seen within the lung bases , findings which may reflect infection or aspiration in the correct clinical setting , with an element of atelectasis also present . Blunting of the costophrenic angles bilaterally appear relatively unchanged which may reflect chronic pleural thickening or trace bilateral pleural effusions . No pneumothorax is present . There are no acute osseous abnormalities . Cervical spinal fusion hardware is incompletely imaged .
    OUTPUT:
    
1 . Bibasilar patchy opacities which may reflect infection or aspiration in the correct clinical setting superimposed with atelectasis . 2 . Mild pulmonary vascular congestion with possible trace bilateral pleural effusions or chronic pleural thickening .