Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine portable view of the chest . Endotracheal tube seen with tip 4 cm from the carina . Right IJ central venous line is seen in the mid SVC . There is no visualized pneumothorax based on this supine film . There is pulmonary vascular engorgement . Retrocardiac opacity is again seen . Elsewhere the lungs are clear of focal consolidation . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
ET and right IJ lines as above . Retrocardiac opacity in part due to scarring with underlying atelectasis noting infection / aspiration are possible .