Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views the chest were viewed . The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . Streaky opacities in the left lower lung are again noted , which may represent atelectasis or scarring . Pulmonary vasculature is within normal limits .
    OUTPUT:
    
Similar appearance is streaky opacities in the left lower lung , which may represent atelectasis or scarring .