Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large left pneumothorax . Slight mediastinal shift to the right along with subtle widening of the left hip spaces and flattening of the left hemidiaphragm raise concern for tension . No focal consolidation is seen . No pleural effusion . The cardiac silhouette is not enlarged . The aorta is slightly tortuous .
    OUTPUT:
    
Large left pneumothorax with concern for tension .