
The one common thing with every type of cancer is that the first symptoms appear on the hands.
According to some British scientists, the first signs of possible cancer appear on the hands. Usually they appear in a form of swellings or cracks, thickening and the skin becomes harsh.

So if you happen to have some of these symptoms, make sure you see a doctor immediately, just to make thing safe.
Sources and References:
Sources and References:
Featured image source: