Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy tube is appropriately positioned . A right approach PICC terminates at the mid SVC . The heart size is normal . The hilar and mediastinal contours remain within normal limits . Bilateral diffuse reticulonodular interstitial opacities are unchanged . There is no superimposed consolidation , effusion , or pneumothorax .
    OUTPUT:
    
No pulmonary edema .