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': 'Ixabepilone is used in: \nSelect and explain. \nA. Melanoma, B. Breast carcinoma, C. Oat cell carcinoma, D. Small cell carcinoma lung', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Chemotherapy regimen in CA BreastMnemonic- CMF- C- cyclophosphamide- M- methotrexate- F -5- FUMnemonic-CAF- C- cyclophosphamide- A- Adriamycin (doxorubicin) (anthracycline derivative)- F - 5 - FU- The preferred form of chemotherapy for CA breast - CAF or Adriamycin or Anthracycline based Chemotherapy.- Usually 6 cycles are given- For Adriamycin resistant breast cancer - Taxanes are given (Docetaxel, Paclitaxel)- Chemotherapy agent given in Adriamycin & Taxane resistant breast cancer - IXABEPILONE- LAPATINIB - 2nd line agent for HER-2-NEU + ve breast cancer- HERCEPTIN /TRASTUZUMAB - 1st line agent for HER-2-neu +ve breast cancer Drug given in metastatic and refractory breast cancer - SUNITINIB 1st line agent for advanced and metastatic RCC - SUNITINIBDrug of choice for Imatinib resistant GIST - SUNITINIB.', 'role': 'assistant'}]