Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . Eventration of the right hemidiaphragm is noted . The lungs are well expanded with mild atelectasis at the right base . There is no focal consolidation concerning for pneumonia .
    OUTPUT:
    
Mild right base atelectasis . No pneumonia .