GRade of Cancer

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GRade of Cancer

You may hear your doctor talk about the 'grade' of your cancer. This means how well developed or mature the cell looks under a microscope. The more the cancer cell looks like a normal cell, the more it will behave like one

  • The more normal a cancer cell looks, the lower its grade

  • The more abnormal or less well developed a cancer cell is, the higher its grade

Your doctor may call this 'differentiation'. Cells can be well differentiated, moderately differentiated, or poorly differentiated. This is the same as low, medium or high grade. Other doctors may talk about grades 1, 2, or 3, where grade 1 is low grade.

Although there are many different ways of talking about this, it all comes down to the same thing. A low grade cancer is likely to be less aggressive in its behaviour than a high grade one. Doctors cannot be certain how the cells will behave. But grade is a useful indicator. Grade is one of the factors doctors use to decide on treatment with some types of cancer.

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