More. 1  Oxygen Levels and Brain Function The brain consumes about 25 percent of a personâs oxygen intake, so proper brain function requires enough blood oxygen. 2  How Oxygen Affects the Heart The heart is a key player in making sure oxygenated blood travels to the organs and tissues that need it.
Other possible kidney cancer symptoms may include: Flank pain - Pain on one side of the body between the upper abdomen and the back. Abdominal Mass - a mass in the area of the kidneys discovered during an examination. Anemia - a condition in which the number of red blood cells is below normal.
Symptoms of kidney cancer. Symptoms of kidney cancer. Kidney cancer often doesnât cause symptoms until the tumor has already grown. The most common symptom of kidney cancer is blood in the urine, or hematuria. If the amount of blood is too small to see with the naked eye, your doctor can find it on a urine test.