Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right middle lobe collapse with volume loss is unchanged . A tracheostomy tube is in place . Extensive bilateral airspace opacities are not appreciably changed . Moderate bilateral pleural effusions and left lower lobe collapse are unchanged . There is no pneumothorax .
    OUTPUT:
    
No significant interval change in extensive bilateral airspace opacities which may be due to severe pulmonary edema or multifocal pneumonia .