Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are unremarkable . No definite focal consolidation is identified . A new pleural effusion is present on the left . . A device is seen in the left chest wall , which is not present previously .
    OUTPUT:
    
1 . New left - sided pleural effusion . In the appropriate clinical context , this may be a sign of pulmonary embolus . If there is clinical concern CTA chest can be obtained for further evaluation .