Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , resulting in vascular crowding . There is no pleural effusion or pneumothorax . No focal airspace consolidation is seen to suggest pneumonia . A ventriculoperitoneal shunt is seen coursing through the right hemithorax . Bibasilar plate - like atelectasis or scarring is noted . Orthopedic hardware is again seen within the left humerus . A mid thoracic compression deformity is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .