22. Usubutun, A., et al., Prognostic factors in renal cell carcinoma. J Exp Clin Cancer Res, 1998. 17(1): p. 77-81. 23. Talmadge, J.E., M. Donkor, and E. Scholar, Inflammatory cell infiltration of tumors: Jekyll or Hyde. Cancer Metastasis Rev, 2007. 26(3-4): p.