Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . No chf , focal infiltrate , effusion , or pneumothorax is detected . Cardiomediastinal and hilar contours are within normal limits . No obvious rib fracture detected on these lung - technique films . Possible minimal left convex curvature of the t-spine at the level of T3 / 4 .
    OUTPUT:
    
No acute pulmonary process identified .