Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Allowing for relatively low lung volumes , heart is upper limits of normal in size . Pulmonary vascularity is normal , and lungs and pleural surfaces are clear . A slight leftward deviation of trachea could potentially represent enlargement of right lobe of the thyroid gland . No acute skeletal findings .
    OUTPUT:
    
Stable radiographic appearance of the chest with no acute cardiopulmonary radiographic abnormalities .