- Patient must have the following preoperative laboratory values confirmed within 28 days prior to registration: Creatinine ≤ 1.5 times ULN. Platelets ≥ 90,000/mm3. White blood count ≥ 1,500/mm3. PT/PTT ≤ the institution ULN. Patients of child-bearing potential must have a negative urine or serum pregnancy test.