Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are worse the bilateral right upper and lower and left middle lung opacities . The cardiomediastinal silhouette is largely unchanged . No pneumothorax is seen . A right IJ seen terminating at the mid SVC .
    OUTPUT:
    
Worsening bilateral scattered opacities which could represent simple mostly sterile aspiration or be infectious .