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
All are indications of methotrexate except? 
Select and explain. 
A. Leukemia, B. Breast cancer, C. Rheumatoid ahritis, D. Renal failure
D: Renal failure
Answer: D: Renal failure 
Explanation: Ans. is 'd' i.e., Renal failure o MTX, usually in combination with other drugs, is effective against acute lymphocytic leukemia, choriocarcinoma, Burkitt's lymphoma in children, breast cancer, and head neck carcinomas.