Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: All the monitoring devices are unchanged . In particular , ET tube ends at 2 cm from carina bifurcation . Right Port - A - Cath ends in lower SVC . NG tube ends below the diaphragm but the tip is not visualized . The patient is after cardiac surgery for valve replacement . There is no focal consolidation , pleural effusion or pneumothorax . Small linear atelectasis in the left retrocardiac region is unchanged compared to prior chest x-ray . The cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
There are no acute cardiopulmonary process . In particular , there are no sign of pneumonia . All the monitoring devices are unchanged .