Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left PICC line which terminates in the mid SVC . There are persistent bilateral lower lobe ill - defined patchy opacities consistent with multifocal pneumonia , which have slightly improved compared to the prior examination . There are no new focal consolidations . The pulmonary vasculature is normal . The heart is not enlarged . There is no pleural effusion . There is no pneumothorax .
    OUTPUT:
    
1 . Left PICC line in appropriate positioning . 2 . Slightly improved ill - defined patchy opacities bilaterally , representing multifocal pneumonia .