Kidney cancer includes renal cell cancer, renal sarcoma and primary renal lymphoma... in which Renal Cell Carcinoma (RCC) accounts for more than 90% of cases, so in this article only Refers to the content of renal cell cancer. Renal cell carcinoma ranks second in malignancies of the urinary system and accounts for 1-2% of all cancers in adults. It usually occurs in adults over the age of 40, with twice as many men as women.

DHEA SO4 is a male hormone (androgen) produced in the adrenal glands and converted by the body into testosterone, which influences sexual development. In men, testosterone is produced in large amounts by the testicles. In women, small amounts are produced by the ovaries. The DHEA SO4 test checks the level of testosterone in the blood.