A description of a tumour that includes how different the cancer cells look from normal cells (differentiation), how quickly the cancer cells are growing and dividing, and how likely they are to spread.
Grades are based on different grading systems that are used for specific cancers. Some types of cancer do not have a specific grading system.
The process of examining and classifying tumours based on how cancer cells look and behave under the microscope is called grading.
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