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: Ophthalmology
A recurrent chalazion should be subjected to histopathologic evalution to exclude the possibility of- 
Select and explain. 
A. Squamous cell carcinoma, B. Sebaceous cell carcinoma, C. Malignant melanoma, D. Basal cell carcinoma
B: Sebaceous cell carcinoma
Answer: B: Sebaceous cell carcinoma 
Explanation: A recurrent chalazion in old age should arouse suspicion of malignant change into meibomian gland adenocarcinoma (Sebaceous cell carcinoma).