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/Home/Brain Tumors: Grades
Grading references how tumor cells look under the microscope. Grades 1 and 2 are low grade, Grade 3 is moderate and Grade 4 is high. Low grade means that the tumor cells resemble normal brain cells; they usually grow slowly and are not likely to spread. In high-grade tumors, the cells look very abnormal, and are more likely to grow quickly and spread.
Emergency Preservation and Resuscitation (EPR) , Hematology Library
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