Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are stable since the prior examination . Vague right infrahilar opacity is noted , which , in the appropriate clinical context , may represent aspiration . There is no pleural effusion or pneumothorax . Marked gastric distension is present in the upper abdomen .
    OUTPUT:
    
Vague right infrahilar opacity , potentially due to acute aspiration in the setting of recent vomiting . Marked gastric distension .