Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph provided . There has been interval placement of a right IJ central venous catheter with its tip in the low SVC . Dense consolidation is again noted in the left lower lobe compatible with pneumonia . Mild consolidation at the right lung base is better assessed on the same - day chest CT . There is no pneumothorax . Effusion on the left is difficult to exclude . The cardiomediastinal silhouette is stable . Bony structures appear intact , though old right rib cage deformities are noted .
    OUTPUT:
    
No pneumothorax . Appropriate position of right IJ central venous catheter . Otherwise , no change .