Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there are new right upper ___ and left lower ___ opacities . The left lower ___ opacity ___ be interstitial . A previously seen right lower ___ opacity is improved . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . The tracheostomy cannula is less than ___ the caliber of the trachea , smaller than is generally seen . Intestinal distention is unchanged .
    OUTPUT:
    
New opacities in the right upper ___ and left lower ___ , ___ represent pneumonia . Previously seen Right lower ___ consolidation is improved . Tracheostomy cannula is smaller than generally seen for the caliber of the patient 's trachea .