In these cases, FLIPI-2 (age, β2‐microglobulin, diameter lymph node, bone marrow involvement and hemoglobin) or PRIMA-PI (β2‐microglobulin, and bone marrow involvement; for de novo follicular lymphoma treated initially with immunochemotherapy) are useful prognostic measures, as they do not include PET results [19, 20]. Here, HLA-G is linked to follicular lymphoma.