Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates interval improvement in right lower lobe opacification . Persistent right pleural effusion is moderate in size . Left pleural effusion has decreased in size over the interval , and now is small . Bilateral peribronchovascular infiltration has improved , but is persistent . Nodular opacities are less confluent as compared to the prior radiograph . Cardiomediastinal and hilar contours are unchanged . The fragment of the left - sided subclavian central venous line is in unchanged position . The right - sided central venous line is in unchanged position , with the tip ending at the mid SVC . No pneumothorax .
    OUTPUT:
    
1 . Slight interval improvement in bilateral multifocal pulmonary opacities concerning for multifocal pneumonia . 2 . Persistent moderate sized right pleural effusion with interval decrease in left pleural effusion , which is now small .