Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No definite focal consolidation is seen . Possible mild left base atelectasis . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . No displaced fracture seen .
    OUTPUT:
    
Possible mild left base atelectasis . No definite focal consolidation . No evidence of pneumothorax .