Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The left - sided pacemaker is in appropriate position . There is no focal consolidation to suggest pneumonia , pleural effusion or pneumothorax . There is mild linear left basilar atelectasis . The cardiomediastinal and hilar contours are normal . Mild left apical scarring is unchanged .
    OUTPUT:
    
Mild left basilar atelectasis . No other abnormality identified .