Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Please note that the lateral aspect of the right chest is excluded from view . The left PICC ends in the upper SVC , unchanged . Multifocal opacities have improved since the ___ chest x-ray . There is no pneumothorax . Cardiomediastinal contours are within normal limits .
    OUTPUT:
    
1 . Left PICC ends in the upper SVC , unchanged in position . 2 . Improvement of multifocal opacities when compared to the chest x-ray of ___ .