Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show a moderate - sized right basal pneumothorax with slight leftward shift of the mediastinal structures and associated collapse of the right middle lobe and right lower lobe . Suture chains are noted in the left lung base consistent with prior surgery . The lungs appear hyperinflated with flattening of the diaphragms and increased AP diameter of the chest suggesting underlying COPD / emphysema . Small bilateral pleural effusions are present . No focal consolidation concerning for pneumonia is detected . The pulmonary vasculature is not engorged and no pulmonary edema is seen . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Moderate right basal pneumothorax with leftward shift of the mediastinum and right basilar collapse in the setting of COPD / emphysema suggests a spontaneous secondary pneumothorax . Findings were communicated by Dr . ___ to Dr . ___ by phone at 10 :00 a .m . after discovery of this finding at 9 : 55 a .m . on ___ .