OR2A1 and diffuse large B-cell lymphoma: Reduced OR2A1‐ AS1 expression was linked to a shorter OS and PFS in DLBCL patients, especially those with GCB. Stratification analysis revealed the prognostic value of OR2A1‐AS in GCB‐ DLBCL but not in non‐GCB‐like‐DLBCL