Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There is a persistent small pneumothorax with ___ is not significantly changed in size compared with the prior exam . No midline shift or signs of tension . Persistent partial collapse of the left lower lobe noted . Right lung remains clear . Cardiomediastinal silhouette is normal . Fractures involving the left fifth , sixth ribs along the posterolateral arch again noted , displaced .
    OUTPUT:
    
Persistent small left pneumothorax without signs of tension . Partial collapse left lower lobe . Displaced fractures of the left fifth and sixth ribs .