Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette and well - aerated lungs which are clear . There is no focal consolidation , pleural effusion , or pneumothorax . The visualized upper abdomen is unremarkable , without evidence of intraperitoneal free air .
    OUTPUT:
    
No acute cardiopulmonary process .