 1. Patient has an active concurrent malignancylife-threatening disease. If there is a history of prior malignancieslife-threatening diseases, the patient is to be disease free for at least 5 years. Patients with other prior malignancies less than 5 years before study entry may still be enrolled if they have received treatment resulting in complete resolution of the cancer and currently have no clinical, radiologic, or laboratory evidence of active or recurrent disease. 