Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with chest radiograph from ___ , a residual opacity in the right juxtahilar region likely represents atelectasis . Cardiopulmonary support devices are in standard placements . Overall , there is no relevant change .
    OUTPUT:
    
No definite evidence of pneumonia . Residual opacity in the right juxtahilar region likely represents atelectasis .