Bevacizumab + CHOP-Rituximab in Untreated Mantle Cell Lymphoma

Bevacizumab administered at 15 mg/kg on day 1 of each of 6 cycles Rituximab administered 375 mg/m2 on day 3 of each of 6 cycles (with usual premedications) Standard CHOP chemotherapy administered on day 3 every 21 days (full dose) for 6 cycles of treatment Once completed six cycles of therapy (\~18 weeks), patients will be evaluated every 3 months for the first year post treatment, then every 6 months until disease progression or death for years 2 through 5 post treatment. Patients who have disease progression will be contacted every 6 months until death to assess for survival status.