Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is stable elevation of the right hemidiaphragm and increased opacification of the right lung base , most compatible with atelectasis . There is plate - like atelectasis at the left costophrenic angle . The lungs are otherwise clear . No significant pleural effusion or pneumothorax is detected . The cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Persistent elevation of the right hemidiaphragm and mildly increased right basilar atelectasis .