Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable frontal upright view of the chest was obtained . Heart is normal in size and cardiomediastinal contour is unremarkable . Calcifications are noted along the aortic arch and descending aorta . Lungs are clear . Blunting of the left costophrenic sulcus likely suggests a small effusion . A G - tube is noted within the stomach . There is no pneumothorax .
    OUTPUT:
    
No evidence of aspiration pneumonitis .