I am 51 years old, have micro-metastatic carcinoma. present 2/13 lumph nodes, the second node from axillary node disection had 4mm extranodal extension, grade III,stage III ES + 70% and PGST 10% +. HER-2 -,IMD. My tumour size was 2.3 cm. I consulted 2 oncologists. One recommended AC+T Chemotheraphy and the other oncologist proposed the CEF regim. I don't know the difference. Please help.