Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP semi-upright view of the chest was reviewed . Compared to the prior chest radiograph of ___ , there is interval improvement in the right upper lobe opacity which could represent a combination of hemorrhage , atelectasis , and infection . Improvement in bilateral lower lobe atelectasis and small bilateral pleural effusions is also noted . The right - sided internal jugular line has been removed . There is no pneumothorax . The cardiac and mediastinal contours are normal .
    OUTPUT:
    
Interval improvement in right upper lobe opacity , bilateral lower lobe atelectasis and small bilateral pleural effusions .