However, there are no comprehensive and detailed reports on the expression of NRP‐1/CD304 in other common hematological diseases besides BPDCN, AML, and B‐ALL, such as T‐ALL, B‐NHL, T/NK‐cell lymphoma, and plasma cell neoplasms. The gene discussed is NRP1; the disease is CD4+/CD56+ hematodermic neoplasm.