Aims: To identify the expression of protein Bcl2, BCl6, CD10, C-myc, and MUM1 in large B cell lymphoma and to identify the ratio of the germinal center B-cell-like subtype as well as subtypes of lymphoma with expression of 2 markers (C-myc, Bcl2 or C-myc, Bcl6) and 3 markers (C-myc, Bcl2, Bcl6).