DOES INTERLEUKIN 2 HAVE ANTI TUMOUR ACTIVITY?

Please see the following link:
http://cumc.columbia.edu/dept/cs/pat/tumor/il2.html

Yes, High-dose IL-2 is an FDA approved, inpatient therapy to treat metastatic melanoma (advanced skin cancer) and metastatic renal cell carcinoma (advanced kidney cancer). Metastatic disease refers to cancers that have spread beyond the original site to additional tissue and organs.