immunosurveillance
/ˌɪmjʊnəʊsəˈveɪləns/ /ˌɪmjʊnəʊsəˈveɪl(ə)ns/ /ɪˌmjuːnəʊsəˈveɪləns/Medicine and Biology
noun
Recognition and destruction of abnormal cells (especially neoplastic cells) by the immune system.
Origin
1970s; earliest use found in The Lancet. From immuno- + surveillance.