Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi upright view of the chest . Increased vague opacity in the right lung is concerning for aspiration given history of hematemesis . Left lung is clear . Mild pleural thickening at the bases noted . Cardiomediastinal silhouette is within normal limits . Bony structures appear intact . An old right clavicle deformity is noted .
    OUTPUT:
    
Poorly defined opacity in the right lung is concerning for aspiration .