Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy tube is in unchanged position . The lungs are unchanged in appearance with low lung volumes and widespread bilateral hazy opacities which likely represents a mild degree of pulmonary edema superimposed on background chronic interstitial lung disease . The cardiac silhouette is unchanged . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Diffuse bilateral hazy opacities compatible with a combination of severe background interstitial lung disease and a mild degree of pulmonary edema . No focal consolidation . No significant interval change when compared to the prior study .