Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to prior examination of ___ and CT of the abdomen from ___ . The heart is normal in size . The mediastinal and hilar contours are unremarkable . There is an elevated right hemidiaphragm . This is unchanged . There is atelectasis in the right lower lobe . This is unchanged . There are no pleural effusions . There is no evidence of pneumonia .
    OUTPUT:
    
1 . Stable examination with atelectasis in the right lower lobe and elevated right hemidiaphragm . No evidence of pneumonia .