Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable . Streaky opacities at the lung bases , worse on the right , as seen previously may represent atelectasis , however pneumonia can not be excluded . There is no pleural effusion . There is no pneumothorax . Paritally visualized compression deformities are seen in the thoracic spine , as before .
    OUTPUT:
    
Streaky bibasilar opacities as seen previously , worse on the right , may represent atelectasis , uderlying pneumonia however can not be excluded .