Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient had recent redo of sternotomy for aortic valve repair . Right lower lung atelectasis has completely resolved . Left residual basal atelectatic bands are unchanged . There are no new lung consolidations . Moderate mediastinal and cardiac contours widening is unchanged . The sternal wires are also in the same position . Left elevation of hemidiaphragm is chronic and was already present prior to the redo . There is no pneumothorax and no pleural effusion .
    OUTPUT:
    
There are no acute cardiopulmonary findings .