Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . Scattered bilateral airspace opacities , slightly sparing the lung apices , are again noted , slightly worsened from the prior study , consistent with a multifocal pneumonia . Surgical clips and a biliary stent are seen in the right upper quadrant . There has been interval removal of a malpositioned right PICC line .
    OUTPUT:
    
Slight interval increase in extensive bilateral airspace opacities is compatible with worsening multifocal pneumonia .