Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is top - normal in size on this AP projection . The right heart border is not clearly seen which may be due to prominent mediastinal soft tissue or consolidation / atelectasis involving the right middle lobe . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Right at border is not clearly seen which may be due to prominent mediastinal soft tissue or consolidation / atelectasis within the right middle lobe . No pneumothorax or large pleural effusion .