Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the endotracheal tube projects over the mid thoracic trachea . There has been interval placement of a gastric tube which extends below the level the diaphragms but beyond the field of view of this radiograph . Interval increasing perihilar and infrahilar airspace opacities , particular involving the right mid and lower lung zone . A small right pleural effusion is also new . These findings may reflect increasing pulmonary edema on a background of chronic lung disease . The size of the cardiomediastinal silhouette is enlarged but unchanged .
    OUTPUT:
    
Increasing opacities bilaterally , particularly involving the right mid and lower lung zones . New left pleural effusion . These findings may reflect worsening pulmonary edema on a background of chronic lung disease .