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