Vaccine Therapy and Sargramostim After Rituximab in Treating Patients With Refractory or Progressive Non-Hodgkin's Lymphoma

New York Weill Cornell Cancer Center at Cornell University, New York

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore

Indiana University Cancer Center, Indianapolis

Rush Cancer Institute at Rush University Medical Center, Chicago

Siteman Cancer Center at Barnes-Jewish Hospital, St Louis

Stanford Cancer Center at Stanford University Medical Center, Stanford

Dana-Farber/Harvard Cancer Center at Dana Farber Cancer Institute, Boston

UNMC Eppley Cancer Center at the University of Nebraska Medical Center, Omaha

Cancer Institute at Oregon Health and Science University, Portland

Cross Cancer Institute at University of Alberta, Edmonton

Toronto Sunnybrook Regional Cancer Centre at Sunnybrook and Women's College Health Sciences Centre, Toronto