Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new large left pneumothorax with near complete collapse of the left lung . Minimal shift of the mediastinum to the right is noted . Cardiomediastinal silhouette otherwise appears normal . EKG leads overlie the chest wall .
    OUTPUT:
    
New large left pneumothorax with near complete collapse of the left lung and mild shift of the mediastinum to the right .