TGL : Total serum Gammaglobulin Level; L-TGL :
Lowest-TGL; H-TGL : Highest-TGL; NA: not applicable;IgG (or A, or M) : serum dosage of Immunoglobulin G (or A or
M); CRP : serum C-Reactive Protein; AG-Ratio : Ratio of
serum Albumin level on Total serum Gammaglobulin level; DLBCL:Diffuse-Large-B-Cell-Lymphoma