Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is evidence of volume loss in the left hemithorax with elevation of the left hemidiaphragm compatible with prior resection . The left lung appears clear without pneumothorax , focal consolidation , or pleural effusion . The right lung is clear . The cardiomediastinal silhouette is within normal limits . There is slight leftward shift of mediastinal structures due to left - sided volume loss . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute findings but left - sided volume loss compatible with lung resection .