Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval opacification of the right hemi thorax the left lung remains clear except for mild prominence of the bronchovascular markings . The left cardial mediastinal silhouette is unchanged . A radiopaque tube is projected over the lower right hemi thorax as before .
    OUTPUT:
    
0pacification of the right hemi thorax consistent with continued accumulation of fluid in the right chest cavity .