 - Baseline studies within 60 days prior to registration; patients must not have a history of chronic obstructive or chronic restrictive pulmonary disease. Patients must have adequate pulmonary function studies 50 of predicted on mechanical aspects FEV1, FVC, etc and diffusion capacity DLCO 50 of predicted. Patients unable to complete pulmonary function tests because of myeloma-related chest pain, must have a high resolution CT scan of the chest and must also have acceptable arterial blood gases defined as P02 greater than 70. 