Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A pacemaker , mediastinal clips , and sternal wires are unchanged from the prior exam . Again , there is right mid lobe atelectasis with elevation of the right hemidiaphragm . This is stable from the prior exam . The lungs are otherwise clear . There is no evidence of a focal airspace opacity , pleural effusion , or pneumothorax . The mediastinal contours are normal . The heart size is mildly enlarged , and unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .