Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Lung volumes are low , exaggerating heart size . Cardiomediastinal contours are unchanged . Bibasilar linear opacities are compatible with atelectasis . Right pleural effusion is small . No pneumothorax . Right upper quadrant biliary drain is incompletely imaged .
    OUTPUT:
    
Small right pleural effusion with bibasilar linear opacities most compatible with atelectasis . In the appropriate clinical setting , similar findings may be seen with pulmonary embolism . Findings were communicated via phone call by ___ to ___ on ___ at 8 :39 AM .