Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . The mediastinal and hilar contours appear within normal limits . There is similar mild - to - moderate relative elevation of the left hemidiaphragm . On the frontal view only , there are streaky right basilar opacities , probably due to atelectasis ; an infectious cause seems less likely . Small osteophytes are noted along the thoracic spine .
    OUTPUT:
    
Patchy streaky right basilar opacities , suggestive of atelectasis although not entirely specific .