Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size , mediastinal and hilar contours are normal . Lungs and pleural surfaces are clear . Mild curvature of the thoracic spine is again demonstrated . No acute spine abnormalities are detected on this chest radiograph examination .
    OUTPUT:
    
No pulmonary cause for back pain detected . Although no gross spinal abnormalities are detected , this exam was not specifically tailored to evaluate the spine and dedicated spine imaging may be considered if warranted clinically .