April 21, 2011 - A review of 845 patients with kidney cancer who had already undergone surgery showed that smokers were at a 60 percent higher risk of suffering from advanced forms of the cancer. The study found that 28.7 percent of current smokers and 29.3 percent of former smokers suffer from advanced form of kidney cancer, which involves the lymph nodes or is spread in the body. In contrast, only 20.2 percent of patients who had never smoked are diagnosed with aggressive kidney cancer. The findings are important because only 8 percent of patients with the most severe form of renal cancer survive five years while 70 percent of people with early-stage kidney cancer live for at least five years. Researchers concluded that the more cigarettes a patient smokes, the higher their risk of being diagnosed with invasive kidney cancer.

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