This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Histologic examination of the lesion in stomach reveal fat-laden cells, likely cause is - \nSelect and explain. \nA. Lymphoma, B. Post gastrectomy, C. Signet-cell carcinoma stomach, D. Atrophic gastritis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Lipid-laden macrophages (foam cells) are seen in xanthomatosis of the stomach.\n\nXanthomatosis of stomach\n\nIt is characterized by a collection of lipid-laden macrophages (foam cells), forming plaques or nodules.\nGastric xanthomatosis is more common in patients with : -\n\n1. Gastritis\n2. Gastric ulcer\xa0\n3. Deudenogastric reflux after gastric surgery.', 'role': 'assistant'}]