Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . A small to moderate right pneumothorax is seen , particularly with lucency at the right lower lung base . There is subtle shift of the mediastinum to the left , which raises concern for component of tension . Chain sutures are again noted in the right upper hemithorax . Linear areas of opacity in the right mid to lower chest suggest atelectasis / scarring . No pleural effusion is seen . The cardiac silhouette is not enlarged . Mediastinal contours are unremarkable .
    OUTPUT:
    
Right - sided pneumothorax with concern for possible underlying tension . This finding was discussed with Dr . ___ on ___ via telephone at approximately 2 : 15 p .m .