This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Mrs Shikha, 50-years-old woman is diagnosed with cervical cancer. Which lymph node group would be the first involved in metastatic spread of this disease beyond the cervix and uterus? NOT RELATED -anatomy \nSelect and explain. \nA. Common iliac nodes, B. Parametrial nodes, C. External iliac node, D. Paracervical or ureteral nodes', 'role': 'user'}, {'content': 'Answer: D \nExplanation: .', 'role': 'assistant'}]