10. Severe cardiovascular disease; New York Heart Association (NYHA) Functional Classification ≥2.
11. Active CNS disease involvement.
12. Presence of any other malignancy or history of prior malignancy within 5 years of study entry. Within 5 years, patients treated for Stage I or II cancers are eligible provided they have a life expectancy \> 5 years in relation to this prior malignance. The 5-year exclusion rule does not apply to-non melanoma skin tumors and in situ cervical cancer.
13. Pleural effusion or ascites \> 1 liter.
14. Known hypersensitivity to rituximab.
15. Psychiatric conditions/disease that impair the ability to give informed consent or to adequately co-operate.
16. Prior radioimmunotherapy.
17. Prior autologous or allogeneic HSCT.
18. Active evidence of Hepatitis B or C infection; Hepatitis B surface antigen positive.
19. Patients who have had prior radiation to the lung will be excluded from the study, although mediastinal irradiation will be permitted if minimal lung is in the treatment volume.
20. Patients who have received \>500cGy radiation to the kidneys will be excluded from the study.
You may not be if
1. 1\. Chemo-refractory disease as determined by less than partial response (Cheson 2007 Criteria) to last chemotherapy.
2. Two or more relapses after initial response to induction chemotherapy.
Clareo Health | Zevalin-beam for Aggressive Lymphoma