In many cases, there are no obvious symptoms of kidney cancer at first and it may only be found during tests for another condition or reason.
Symptoms can include:
Some of these symptoms only happen when the cancer is advanced and has spread to other parts of the body, such as the bones or lungs.
See a GP if you have symptoms of kidney cancer.
Although it's unlikely you have cancer, it's important to get your symptoms checked.
The GP may sometimes need to refer you for tests in hospital to find out what the problem is.