Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal radiograph of the chest demonstrate ET tube , NG tube and left internal jugular central venous catheter in unchanged satisfactory position . Worsening multifocal opacities in the bilateral lungs could represent pneumonia or aspiration . Likely small left pleural effusion is unchanged . Stable heart size and mediastinal contours .
    OUTPUT:
    
Worsening bilateral multifocal opacities could reflect multifocal pneumonia or aspiration .