Tissue that has been taken out is looked at under a microscope to see whether there are cancer cells in it. If cancer is found, the cells will be studied to learn more about the cancer. The lab report will give these details. The lab will also give a grade to the cancer. If most of the cancer cells look like normal tissue, it's given a grade 1. If most of the cells look very different from normal cells, it's given a grade of 3. Grade 2 tumors fall somewhere in between. The grade is important because women with lower.
