Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , with bibasilar atelectasis , platelike on the left . The cardiac silhouette and pulmonary vasculature are stable since the prior examinations and unremarkable . Retrocardiac opacity noted on the lateral film does not as clearly correspond to findings on the frontal film . There may be possible small pleural effusions . A right - sided catheter is in stable position , terminating in the mid SVC .
    OUTPUT:
    
No definite consolidation identified .