Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Eventration the right hemidiaphragm is unchanged . The left hemidiaphragm remains shallow since ___ suggesting pleural scarring . A small left pleural effusion is unchanged since ___ . Right hilar , subcarinal mediastinal and possible left hilar lymphadenopathy is unchanged since ___ . The cardiomediastinal silhouette is within normal limits . No pneumonia or pneumothorax .
    OUTPUT:
    
1 . Unchanged hilar and mediastinal lymphadenopathy . 2 . Unchanged small left pleural effusion .