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
Histologic examination of the lesion in stomach reveal fat-laiden cells, likely cause is : 
Select and explain. 
A. Lymphoma, B. Postgastrectomy, C. Signet-cell carcinoma stomach, D. Atrophic gastritis
B: Postgastrectomy
Answer: B: Postgastrectomy 
Explanation: . Postgastrectomy