Lower grades (1 and 2) of cancer tend to look much like regular kidney cells. In these grades, the cancer grows and spreads slowly, and treatment is more likely to be effective. In higher grades (3 and 4), the cancer does not much resemble other kidney cells, and the spread of the disease is likely to be faster. read more
Oncologists believe that kidney cancer spreads mostly at an early stage and at a very fast rate. Kidney cancer is much more dangerous and fast spreading than some other forms of cancers. It is difficult to diagnose this type of cancer at the earliest stage, which is curable. read more