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| cell division creates an increased number of normal cells with normal organization. |
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| uncontrolled, disorganized cell proliferation so that the number of dividing cells increases. |
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| process by which cells acquire the specialized properties that distinguish different types of cells from one another. A trait of multicellular organisms. |
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| Fully differentiated, thin flat cells that form the outer layer of the skin. |
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| they can invade surrounding tissues, enter the bloodstream, and spread to distant parts of the body through metastasis. |
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| generic term referring to any malignant tumor. |
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| form covering layers over external and internal body surfaces. |
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| a type of cancer arising from cells of lymphatic (tumors of lymphocytes, WBCs, that grow mainly as solid masses of tissue) or blood origin. |
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| the site at which a tumor initially arises. |
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| When no improvement of survival rates actually occurs due to early diagnosis. |
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| remove tissue for diagnostic purposes |
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| percentage of cells detected in the process of dividing. Measured by examining a biopsy specimen with a microscope, counting the number of dividing cells, and dividing that number by the total number of cells in the area. |
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| cells that are so poorly differentiated and abnormal in appearance and organization that they bear little resemblance to the cells of the tissue in which the tumor arose. |
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| Tumor size (how big is tumor), lymph Node (are they positive for cancer cells), Metastasis (what is the extent of metastasis). system used for tumor staging. |
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