Bone cancer
The stage of a bone cancer tells you how big it is and whether it has spread. The most common staging systems are the TNM system and the number staging system. Grade means how abnormal the cells look under a microscope.
Knowing this information helps doctors decide about the best treatment for you.
Doctors use the stage and grade of bone cancer to help them decide which treatment you need. Find out more.
The TNM staging system looks at the size of the tumour and whether it has spread to the lymph nodes and different parts of the body.
Last reviewed: 11 Feb 2025
Next review due: 11 Feb 2028
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