Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest again demonstrate chronically elevated right hemidiaphragm . The right basilar atelectasis persists . Otherwise , the lungs are clear with no pneumonia . The cardiac and mediastinal contours are within normal limits . No pleural abnormality is detected .
    OUTPUT:
    
No evidence of pneumonia .