Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hyperinflated with mild flattening of the hemidiaphragms . Left midlung linear atelectasis is present . The lungs are otherwise clear . The heart and mediastinum are within normal limits . There is no pneumothorax .
    OUTPUT:
    
Left midlung linear atelectasis with otherwise clear hyperinflated lungs .