More than two weeks must have elapsed since any prior palliation for major bronchial occlusion or bleeding at the time the patient receives the preparative regimen, and patient’s toxicities must have recovered to a grade 1 or less Major bronchial occlusion or bleeding not amenable to palliation For cohort 3, more than two weeks must have elapsed since any prior palliation for major bronchial occlusion or bleeding at the time the patient receives the preparative regimen, and patient’s toxicities must have recovered to a grade 1 or less For cohort 3, any major bronchial occlusion or bleeding not amenable to palliation