Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Total opacification of the right hemithorax is compatible with prior pneumonectomy . Visualized left lung demonstrates no focal consolidation , pleural effusion or pneumothorax . The cardiac and mediastinal contours appear unchanged . Scoliosis of the thoracic spine convex to the left is again noted .
    OUTPUT:
    
Status post right pneumonectomy with no acute cardiopulmonary abnormality seen in the left lung .