Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Linear atelectasis is noted in the lingula , similar to prior . Remainder the lungs are clear . No pleural effusion or pneumothorax is present . No acute osseous abnormalities detected .
    OUTPUT:
    
Lingular linear atelectasis . No focal consolidation to suggest pneumonia .