Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . As seen on the prior exam from earlier today , there is a small right pleural effusion and slight elevation of the right hemidiaphragm . A CBD stent is partially visualized in the right upper abdomen along with clips in the right upper quadrant . There is no evidence of pneumonia or CHF .
    OUTPUT:
    
No change from prior exam .