Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal and hilar contours are unremarkable . There is no evidence of pleural effusion or pneumothorax . However , there is a radiolucent region overlying the left hemidiaphragm which appears separated from the inferior aspect of the heart . This region is incompletely evaluated due to multiple external monitoring devices .
    OUTPUT:
    
No evidence of acute cardiothoracic process . However , a radiolucent region with possible depression of the left hemidiaphragm is incompletely evaluated and may be artifactual . A repeat examination with PA and lateral views is recommended for complete evaluation of this region .