HL, Hodgkin lymphoma;<br>NHL, non-Hodgkin lymphoma;<br>DLBCL, diffuse large B-cell lymphoma;<br>SLL, small lymphocytic lymphoma;<br>LPL, lymphoplasmacytic lymphoma;<br>MCL, mantle cell lymphoma;<br>MZL, marginal zone lymphoma;<br>CTSS, cathepsin S;<br>Cys C, cystatin C;<br>LDH, lactate dehydrogenase;<br>TC, total cholesterol;<br>HDL-C, high-density lipoprotein cholesterol;<br>LDL-C, low-density lipoprotein cholesterol;<br>CRP, C-reactive protein;<br>IL-6, interleukin-6;<br>AUC, area under the receiver operating characteristic;<br>ROC, receiver operating characteristic. The gene discussed is CTSS; the disease is lymphoplasmacytic lymphoma.