Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there is stable atelectasis of the right lung base . There are no focal consolidations , pleural effusions , pulmonary edema or pneumothorax . The cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process .