Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy tube remains in place . Lung volumes remain low . Diffuse bilateral fine reticular interstitial and airspace opacities are unchanged . A more focal right basilar airspace opacity is unchanged . There is no pneumothorax . The heart and mediastinum are magnified by the projection .
    OUTPUT:
    
No significant interval change since the study of 2 days prior , including chronic interstitial abnormality with superimposed right basilar airspace opacity , which is likely due to infection or aspiration .