2. Patients must have documented hormone receptor status (ER/PR) and Her-2 neu status determined either by Immunohistochemistry or FISH, within 21 days of randomisation, if possible, otherwise receptor status from patient history can be used, if determined from earlier biopsy/surgery. Patients may be randomised whilst results of hormone receptor status (ER/PR) and Her-2 neu status are pending from the laboratory.