Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased right mid to lower lung opacity is worrisome for worsened pneumonia and / or aspiration . The left lung is clear . No large pleural effusion is seen although a trace right pleural effusion be difficult to exclude . No pulmonary edema . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Increased right mid to lower lung opacity worrisome for worsened pneumonia and / or aspiration .