XIAP and diffuse large B-cell lymphoma: LncRNA SNHG5 acted as a ceRNA by binding with miR‐181‐5p in DLBC cells. LncRNA SNHG5 may promote the proliferation and migration of DLBCL cells via targeting miR‐181‐5p/XIAP. Knockdown of SNHG5 inhibited the proliferation, migration, and invasion