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
Potato nodes are a characteristic feature of ? 
Select and explain. 
A. Sarcoidosis, B. Lymphoma, C. Carcinoid, D. Tuberculosis
A: Sarcoidosis
Answer: A: Sarcoidosis 
Explanation: Ans. is 'a' i.e., Sarcoidosis