Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes slightly low . The cardiomediastinal silhouette and pulmonary vasculature are unchanged since the prior examination . No definite focal consolidation is identified . Linear bibasilar opacities are most consistent with atelectasis . There is no pleural effusion or pneumothorax . The left - sided venous catheter terminate at the cavoatrial junction .
    OUTPUT:
    
No definite focal consolidation .