Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right arm PICC is seen with the tip in the mid to upper SVC . There is no pneumothorax . There are ground - glass opacities in the mid to lower lungs bilaterally , most likely representing pneumonia . Cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Ground - glass opacities in the mid to lower lungs bilaterally , most likely representing pneumonia .