There are many different types of tests or scans you might have to find out if you have cancer. The type you need depends on the symptoms you have and the part of the body affected. You might also ...
Those suffering from their extremities turning a different colour when they get extremely cold can take a one minute test ...
There's a straightforward finger test you can perform ... you could have finger clubbing, which when the ends of your fingers swell up - and this could be a sign of lung cancer.