This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Development of GU system and Neuro-vascular supply of pelvis & perineum, Subject name: Anatomy
[{'content': 'Which of the following structures does not drain to the superficial inguinal lymph nodes? \nSelect and explain. \nA. Perineum, B. Feet, C. Scrotum, D. Testicle', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Superficial inguinal lymph nodes : Upper nodes divided into upper lateral & upper medial nodes. Lower veical group drains lymph from most of lower limb Upper lateral group drains lymph from infra umbilical pa of anterior abdominal wall & gluteal region. Upper medial group drains from external genital organ including terminal ends of urethra, anal canal & vagina.', 'role': 'assistant'}]