IL34 and hyperinsulinemic hypoglycemia, familial, 4: To the best of our knowledge, this is the first study to evaluate the prognostic value of IL-34 in LUAD, explore the relationship between IL-34 deficiency and immune cell infiltration and even immune negative regulation, finally established the nomogram model integrated IL-34 group and pathological characteristics to accurately predict the prognosis of patients with LUAD.