Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . There is again slight elevation of the right hemidiaphragm . The cardiac , mediastinal and hilar contours appear unchanged allowing for technique . Streaky left basilar opacity has mostly resolved , suggesting minor atelectasis . The lungs appear otherwise clear . There is no definite pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute disease .