Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . This accentuates the size of the cardiac silhouette which is borderline enlarged . The mediastinal and hilar contours are unremarkable , and there is no pulmonary edema . Minimal streaky opacities in the lung bases likely reflect atelectasis . There is no focal consolidation , pleural effusion or pneumothorax . No acute osseous abnormalities present .
    OUTPUT:
    
Minimal streaky bibasilar opacities likely reflect atelectasis in the setting of low lung volumes .