Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were provided . The patient was positioned upright . Midline sternotomy wires and mediastinal clips are noted . There is elevation of the right hemidiaphragm which is new from prior exam . Associated right basal atelectasis is likely present . A stent is seen within the region of the right brachiocephalic vein . There is no overt edema or focal consolidation suggestive of pneumonia . No large effusion is seen . The heart size is difficult to assess . The mediastinal contour appears stable . Bony structures are intact .
    OUTPUT:
    
No evidence of fluid overload or pneumonia . Elevated right hemidiaphragm with right basal atelectasis noted .