Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral radiographs of the chest was obtained . Heart size and mediastinal contours are normal . The lungs are well inflated and clear . No pleural effusion , pneumothorax or focal consolidation . Unchanged mild leftward convex scoliosis of the thoracic spine .
    OUTPUT:
    
No evidence of effusion or focal consolidation .