Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . Lung volumes are low . There is no focal consolidation , effusion or pneumothorax . Mild cardiomegaly is unchanged . There are no new abnormal cardiac and mediastinal contours . Eventration of the diaphragms is stable .
    OUTPUT:
    
No acute cardiopulmonary process