Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tip of the right PICC terminates in the low SVC . There are multifocal opacities , which appear minimally improved compared to ___ , particularly at the right lung base . No new consolidation . Cardiomediastinal contours are normal . No acute osseous abnormalities .
    OUTPUT:
    
Slight interval improvement in multifocal opacities since ___ , consistent with known pneumonia .