Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimal opacity in the right infrahilar region could be due to atelectasis from suboptimal inspiratory effort or may represent infection . Otherwise , the lungs are clear . The heart size is normal . The mediastinal and hilar contours are unremarkable . There is no pleural abnormality .
    OUTPUT:
    
Mild right infrahilar opacity may be atelectasis due to suboptimal inspiratory effort or may represent infection . I recommend to repeat chest radiograph with good inspiratory effort to further resolve this finding .