This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast Cancer - Types and Staging, Subject name: Surgery
[{'content': 'Carcinoma breast spreads by all of the following veins hematogenously except - \nSelect and explain. \nA. Internal mammary vein, B. Axillary vein, C. Intercostal veins, D. Epigastric veins', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Epigastric veins o Venous drainage of breast is through axillary, internal mammary and intercostal veins providing three major routes of hematogenous metastasis.", 'role': 'assistant'}]