Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Areas of linear left base atelectasis are seen . There is no definite focal consolidation . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . There are relatively low lung volumes . No displaced fracture is seen .
    OUTPUT:
    
Mild left base and possibly lingular atelectasis without focal consolidation .