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  2. Grading (tumors) - Wikipedia

    en.wikipedia.org/wiki/Grading_(tumors)

    Grading (tumors) Hematoxylin and eosin stains from different sections of a single diffuse intrinsic pontine glioma specimen, showing low-grade (top) and high-grade (bottom) areas. In pathology, grading is a measure of the cell appearance in tumors and other neoplasms. Some pathology grading systems apply only to malignant neoplasms ( cancer ...

  3. Neuroendocrine tumor - Wikipedia

    en.wikipedia.org/wiki/Neuroendocrine_tumor

    Neuroendocrine carcinomas are poorly differentiated high-grade neuroendocrine neoplasms and a designation of tumor grade is therefore redundant. [7] Lung and thymic neuroendocrine neoplasms are classified in a similar manner, including typical and atypical carcinoids, small cell and large cell neuroendocrine carincomas.

  4. IARC group 1 Carcinogens - Wikipedia

    en.wikipedia.org/wiki/IARC_group_1_Carcinogens

    IARC group 1 Carcinogens are substances, chemical mixtures, and exposure circumstances which have been classified as carcinogenic to humans by the International Agency for Research on Cancer (IARC). [ 1] This category is used when there is sufficient evidence of carcinogenicity in humans. Exceptionally, an agent ( chemical mixture) may be ...

  5. Breast cancer classification - Wikipedia

    en.wikipedia.org/wiki/Breast_cancer_classification

    Breast cancer classification divides breast cancer into categories according to different schemes criteria and serving a different purpose. The major categories are the histopathological type, the grade of the tumor, the stage of the tumor, and the expression of proteins and genes. As knowledge of cancer cell biology develops these ...

  6. TNM staging system - Wikipedia

    en.wikipedia.org/wiki/TNM_staging_system

    TNM staging system. The TNM Classification of Malignant Tumors ( TNM) is a globally recognised standard for classifying the anatomical extent of the spread of malignant tumours (cancer). It has gained wide international acceptance for many solid tumor cancers, but is not applicable to leukaemia or tumors of the central nervous system.

  7. Breast cancer - Wikipedia

    en.wikipedia.org/wiki/Breast_cancer

    Breast cancer is a cancer that develops from breast tissue. [ 7] Signs of breast cancer may include a lump in the breast, a change in breast shape, dimpling of the skin, milk rejection, fluid coming from the nipple, a newly inverted nipple, or a red or scaly patch of skin. [ 1] In those with distant spread of the disease, there may be bone pain ...

  8. Gleason grading system - Wikipedia

    en.wikipedia.org/wiki/Gleason_grading_system

    Gleason score is calculated from grade as described in the text. The Gleason grading system is used to help evaluate the prognosis of men with prostate cancer using samples from a prostate biopsy. Together with other parameters, it is incorporated into a strategy of prostate cancer staging which predicts prognosis and helps guide therapy.

  9. Carcinoma - Wikipedia

    en.wikipedia.org/wiki/Carcinoma

    Carcinoma is a malignancy that develops from epithelial cells. [ 1] Specifically, a carcinoma is a cancer that begins in a tissue that lines the inner or outer surfaces of the body, and that arises from cells originating in the endodermal, mesodermal [ 2] or ectodermal germ layer during embryogenesis. [ 3]