Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of pneumothorax . There is no pleural effusion . The cardiomediastinal silhouette is normal . Again seen is a lingular opacity , not significantly changed from ___ . There is no evidence of pneumonia . Views of the upper abdomen are unremarkable .
    OUTPUT:
    
No evidence of pneumothorax . Unchanged appearance of the chest .