Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . There is mild atelectasis versus small amount of hemorrhage at the right lung base . Lungs are otherwise well expanded and clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Mild atelectasis versus small amount of hemorrhage at the right lung base .