Cancer and Tumor Terms
Cancer types, tumors, staging language, and concepts used in oncology. Browse definitions and meanings below.
Terms in this topic
Alphabetical order-
One name across many organs, united by the flat lining cell the cancer starts from rather than by where it is found.
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Cancer that is neither decreasing nor increasing in extent or severity.
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Abnormal cells are found in the cervical epithelium (the innermost lining of the cervix).
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Abnormal melanocytes (cells that make melanin, the pigment that gives skin its color) are found in the epidermis (outer layer of the skin).
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A prostate cancer stage defined by the Jewett staging system.
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A prostate cancer stage defined by the Jewett staging system.
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A prostate cancer stage defined by the Jewett staging system.
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A prostate cancer stage defined by the Jewett staging system.
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Cancer of the adrenal gland that is smaller than 5 centimeters (smaller than 2 inches) and is found in the adrenal gland only.
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Stage I AIDS-related lymphoma is divided into stages I and IE.
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The tumor is no larger than 2 centimeters.
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Cancer has spread to the layer of tissue under the inner lining of the bladder.
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Stage I breast cancer is divided into stages IA and IB.
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Cancer is found in the cervix only.
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Cancer has spread from the mucosa (innermost layer) of the colon and/or rectal wall to the submucosa (layer of tissue under the mucosa) of the colon and/or rectal wall.
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Cancer is found in the uterus only.
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Cancer has spread beyond the innermost layer of tissue to the next layer of tissue in the wall of the esophagus.
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Stage I is divided into stage IA and stage IB, depending on where the cancer has spread.
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The tumor is found only in one area of the hypopharynx and is 2 centimeters or smaller.
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The tumor is 7 centimeters or smaller and is found in the kidney only.