Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are normal . The previously seen small opacity in the right lower lung is no longer apparent on this study with better inspiration , this may have represented focal atelectasis due to lower lung volumes .
    OUTPUT:
    
The previously seen small opacity in the right lower lung is no longer apparent on this study with better inspiration , this may have represented focal atelectasis due to lower lung volumes .