You will initially have study visits at M. D. Anderson once a month. You will need to return monthly for 6 months, then every 3 months if there are no side effects during the previous 3 cycles. After 2 years of therapy, your visits can be extended to every 6 months. After 6 cycles you may have either a study visit or a phone call from a member of study staff. If you have a phone call, you will be asked how you are feeling, if you have experienced any side effects since your last visit, and your blood tests will be reviewed with you. During most study visits, you will have the following tests: