This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cytotoxic Anticancer Drugs, Subject name: Pharmacology
[{'content': 'Which of the following drug is not categorized under anti-VEGF agents? \nSelect and explain. \nA. Sunitinib, B. 5-Fluorouracil, C. Ranibizumab, D. Bevacizumab', 'role': 'user'}, {'content': 'Answer: B \nExplanation: DRUGS INHIBITING VEGF PATHWAY Vascular Endothelial Growth Factor pathway is involved in causing angiogenesis. Drugs inhibiting this pathway are used as anti-angiogenic drugs. 5- Fluorouracil is not a anti VEGF agent.', 'role': 'assistant'}]