The percentage of bone marrow infiltration by lymphoma types: Of the Marginal zone lymphoma (100%); Small cell lymphoma (50%), Lymphoplasmocytic lymphoma (87.5%); Diffuse large B cell lymphoma (32.1%); Mantle cell lymphoma (60%); Hepatosplenic Tcell Lymphomas (100%); T cell rich - large B cell lymphoma (100%); Follicuar lymphoma (33.3%); Burkitt Lymphoma (100%).