Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly which stable . Mediastinal silhouette is normal . The lungs are clear without focal opacifications , pleural effusions , or pneumothorax . The hila are normal . There is moderate right scoliosis again seen which is unchanged .
    OUTPUT:
    
Resolution of previously seen left lower lobe pneumonia .