Cluster 228: lymphoma nervous central cns known leptomeningeal primary active history patients 
Cluster 335: involvement nervous central known lymphoma active leukemia myeloma patients history 
Cluster 771: lymphoma cell mantle leukemia nk large patients primary cutaneous ptcl 
Cluster 773: leukemia cns nervous central active known patients clinically evidence clinical 
Cluster 1273: cns disease patients lymphoma nervous central active leukemia primary eligible 
Cluster 1977: nervous central cns disease active malignancy patients history known primary 
Cluster 2225: intravascular disseminated coagulation dic leukostasis evidence cns bleeding leukemia uncontrolled 
Cluster 2463: involvement cns nervous central active known malignancy leukemia leptomeningeal lymphoma