What are cause of kidney cancer?

Kidney cancer: You should see your urologist and also look at nccn.Org but smoking. About a third of kidney cancers are thought to be caused by smoking. Some of the chemicals from tobacco get into the body and are passed out in urine. These chemicals in the urine can be damaging (carcinogenic) to kidney tubule cells. Other chemical carcinogens. Some workplace chemicals have been linked to an increased risk.