Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overall , there has been no substantial interval change from the previous exam . There is re- demonstration of the right lower lung mass containing a fiducial marker with asymmetric increased interstitial opacities noted in the right lung compared to the left , again suggestive of lymphangitic spread of tumor and / or asymmetric pulmonary edema . Patchy opacities are also seen within the right upper lobe concerning for pneumonia , as demonstrated on the recent CT . Hyperinflation of the left lung is again noted with a small left pleural effusion , unchanged . No pneumothorax is identified . Tracheostomy tube is in unchanged position . Cardiomediastinal contours are similar with persistent rightward shift of mediastinal structures .
    OUTPUT:
    
No substantial interval change from the prior study .