Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky bibasilar opacities likely represent atelectasis . Since the prior radiograph of ___ is slightly progressed particularly at the right lung base . No consolidation or pleural effusion . Heart size and mediastinal contours are normal .
    OUTPUT:
    
Mild increase in right basilar atelectasis since ___ . No evidence consolidation . No pleural effusion .