Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal contours demonstrate an unfolded aorta . Subtle opacity with air bronchograms coursing through in the right lung base is present . There is no large pleural effusion or pneumothorax . A mid-thoracic vertebral body compression fracture has been stable since ___ .
    OUTPUT:
    
Findings concerning for right lower lobe pneumonia ; additional considerations include pulmonary hemorrhage or aspiration . Follow - up imaging to document resolution is recommended .