Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate mild cardiomegaly , unchanged from ___ . There is no pulmonary vascular congestion , pleural effusion , or dilation of the azygos . There is no focal consolidation or pneumothorax . An old right posterior rib fracture is stable from ___ .
    OUTPUT:
    
No acute cardiopulmonary process .