Still, microscopic appearance of the malignant cells even today often plays an important role in diagnosis and classification of leukemia and lymphoma and may be a factor in determining the grade or aggressiveness of a given malignancy. Although today’s doctors often evaluate cancers on the level of their individual genes and mutations, sometimes a picture is still worth a thousand words. Here are a few images showing microscopic views of a kind of leukemia, a kind of lymphoma, and a killer T cell being used to attack a cancer cell.
