Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstratemoderately well expanded and clear lungs . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Limited assessment of the upper abdomen is within normal limits . No displaced rib fracture . There is calcification of the anterior longitudinal ligament of the thoracic spine consistent with DISH .
    OUTPUT:
    
No displaced rib fracture , pneumothorax , or acute cardiopulmonary process .