Tumor Grade

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Title: Tumor Grade
Description: Tumor grade; drawing of four panels showing different grades of cancer cells based on how abnormal they look under a microscope. The first panel shows grade 1 or well-differentiated cancer cells. The second panel shows grade 2 or moderately differentiated cancer cells. The third panel shows grade 3 or poorly differentiated cancer cells. The fourth panel shows grade 4 or undifferentiated cancer cells.

Tumor grade. A description of a tumor based on how abnormal the cancer cells look under a microscope and how quickly the cancer cells are likely to grow and spread. Grade 1 (well-differentiated) cancer cells look more like normal cells. Grade 2 (moderately differentiated) cancer cells look more abnormal than grade 1 (well-differentiated) cancer cells but not as abnormal as grade 3 (poorly differentiated) or grade 4 (undifferentiated) cancer cells. The higher the grade number, the more the cancer cells look like abnormal cells and the more likely they will grow and spread quickly.
Topics/Categories: Cells or Tissue -- Abnormal Cells or Tissue
Type: Color, Medical Illustration (JPEG format)
Source: National Cancer Institute
Creator: Terese Winslow (Illustrator)
AV Number: CDR810403
Date Created: October 17, 2022
Date Added: December 16, 2022
Reuse Restrictions: Yes - This image is copyright protected. Any use of this image is subject to prevailing copyright laws. U.S. Government has reuse rights. Please contact the rights holder of this image for permission requests.

Rights holder: Terese Winslow
Email: terese@teresewinslow.com