This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Surgery
[{'content': 'Which of the following statement regarding Oncotype diagnosis test is not false ? \nSelect and explain. \nA. Hormone receptor-negative cancers, B. 21 oncotype-gene assay, C. Predicts the use add on hormonal therapy, D. For lymph node +ve cancers', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Oncotype Dx -21 oncotype-gene assay -Aim : To guide chemotherapy decisions among women with: Lymph node-negative Hormone receptor positive HER2-negative breast cancer Multi gene tests are used clinically to predict recurrence and guide adjuvant chemotherapy decisions: Oncotype Dx PAMSO Mamma Print', 'role': 'assistant'}]