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: Pharmacology
Which of the following is not an early adverse effect of methotrexate ? 
Select and explain. 
A. Hepatic fibrosis, B. Myelosupression, C. Nausea, D. Stomatitis
A: Hepatic fibrosis
Answer: A: Hepatic fibrosis 
Explanation: None