If you decide to take part in this research study, the general procedures include tests and exams to monitor your physical and mental well-being, collection of blood and urine samples, leukapheresis (a procedure to remove cells from your blood by a machine through two intravenous (IV) lines placed in your body), administration of pre-treatment drugs, study treatment given by IV infusion, hospital stay for the first 10 days after infusion (or outpatient, if applicable), and follow-up study visits.