Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Lungs are clear and the pulmonary vasculature is normal . No pleural effusion or pneumothorax is demonstrated . Endotracheal tube terminates approximately 7 .1 cm from the carina . Orogastric tube tip courses below the left diaphragm , off the inferior borders of the film . Radiopaque markers are noted projecting over the midline lower thoracic spine , which may be the distal aspects of spinal catheters .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Standard positioning of the endotracheal and orogastric tubes .