Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube projects approximately 7 cm above the carina , at the thoracic inlet . Right IJ central venous catheter is at cavoatrial junction . NG tube tip sub - diaphragmatic . Bilateral heterogeneous parenchymal opacities have increased compared to the prior examination and the interval change could be related to increased edema , however , the heterogeneous nodular multifocal opacities seen on the prior radiograph raise suspicion for multifocal pneumonia or septic emboli . Cardiomediastinal contours are stable . There is no large effusion or pneumothorax .
    OUTPUT:
    
1 . Endotracheal tube should be advanced by approximately 3 cm for optimal positioning . 2 . Increased bilateral airspace opacification is likely related to superimposed pulmonary edema on previously seen heterogeneous nodular bilateral opacities suspicious for multifocal pneumonia or septic emboli .