<prompt> Renal cell carcinomas RCCs are vascular tumors. MOST impoant prognostic indicator for RCC is:Nuclear gradeHistological typeSizePathological staging  <response>: The ultimate goal of pathological staging is to select appropriate therapy and obtain prognostic information. Appropriate studies for a complete clinical staging evaluation include history and physical examination, complete blood count, serum chemistries renal and hepatic function, urinalysis, chest x-ray chest CT scan for an equivocal exam, CT scan of abdomen and pelvis, and a radionuclide bone scan with x-rays of abnormal areas. Ref: Konety B.R., Williams R.D. 2008. Chapter 21. Renal Parenchymal Neoplasms. In E.A. Tanagho, J.W. McAninch Eds, Smiths General Urology, 17e. 