Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . Patient is rotated to his right limiting assessment . Midline sternotomy wires and mediastinal clips are again seen . Cardiomegaly is again noted . No overt signs of congestive heart failure . The left lung appears grossly clear . There is elevated right hemidiaphragm with probable right basal atelectasis . No supine evidence for effusion or pneumothorax .
    OUTPUT:
    
Cardiomegaly , right basal atelectasis . No overt signs of failure . Limited exam .