Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are decreased from ___ . The cardiac silhouette , mediastinal contours , and pulmonary vasculature are top normal even accounting for differences in lung volumes . There is no effusion or pneumothorax . Note is again made of cervical spinal fusion hardware .
    OUTPUT:
    
No pneumonia , bordering volume overload .