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 . Retrocardiac opacity is unchanged . There is no new focal consolidation , pleural effusion , or pneumothorax . The visualized upper abdomen demonstrates air distended bowel loops with layering radiodense contrast . Free air under the right hemidiaphragm is decreased . Subcutaneous emphysema is increased .
    OUTPUT:
    
No acute cardiopulmonary process .