Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is near - complete opacification of the right hemithorax with some aerated lung in the right upper medial hemithorax . There is shift of the mediastinum to the left , which suggests an underlying right pleural effusion . Underlying consolidation is difficult to exclude . The left lung is essentially clear . There is no left pleural effusion or pneumothorax . No focal consolidation is seen in the left . The aorta is calcified .
    OUTPUT:
    
Near - complete opacification of the right hemithorax with an area of aerated lung seen projecting over the right upper hemithorax . Shift of the mediastinum to the left suggests pleural effusion . Underlying consolidation is difficult to exclude .