immunoproliferative
/ˌɪmjʊnəʊprəˈlɪf(ə)rətɪv/ /ɪˌmjuːnəʊprəˈlɪf(ə)rətɪv/Medicine
adjective
Characterized or caused by excessive proliferation of lymphocytes or other cells of the immune system.
Origin
1960s. From immuno- + proliferative. Compare earlier myeloproliferative.