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 agents is recommended for treatment of Gastrointestinal Stromal Tumors (GIST) - 
Select and explain. 
A. Sorafenib, B. Imatinib, C. Gefitinib, D. Erlotinib
B: Imatinib
Answer: B: Imatinib 
Explanation: Ans. is 'b' i.e., Imatinib Tyrosine kinase inhibitors imatinib and sunitinib are approved for the treatment of Gastrointestinal Stromal Tumors (GIST)