Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph . Right IJ catheter tip is in low SVC . Lung volumes are low with bibasilar atelectasis , particularly along the right heart border . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Low lung volumes . Right lower lung opacity is indeterminate for consolidation and PA and lateral views would be needed to exclude pneumonia .