Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior study , the right infrahilar opacity is similar , but slightly less pronounced . Opacity along the left heart border may be slightly less pronounced . Subtle findings at the right lung apex are probably similar , allowing for differences in technique . No gross effusions . Cardiomediastinal silhouette is grossly unchanged . Left - sided PICC line tip lies at the cavoatrial junction . No pneumothorax detected .
    OUTPUT:
    
Multifocal opacities again seen . There has been very slight interval improvement of the right and left infrahilar opacities , compared to earlier the same day . No pleural effusions .