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  2. Causes of cancer - Wikipedia

    en.wikipedia.org/wiki/Causes_of_cancer

    Some substances cause cancer primarily through their physical, rather than chemical, effects on cells. [32] A prominent example of this is prolonged exposure to asbestos, naturally occurring mineral fibers which are a major cause of mesothelioma, which is a cancer of the serous membrane, usually the serous membrane surrounding the lungs. [32]

  3. Carcinogenesis - Wikipedia

    en.wikipedia.org/wiki/Carcinogenesis

    Since 1% to 3% of infected individuals are likely to develop gastric cancer, [109] H. pylori-induced gastric cancer is the third highest cause of worldwide cancer mortality as of 2018. [110] Infection by H. pylori causes no symptoms in about 80% of those infected. [111] About 75% of individuals infected with H. pylori develop gastritis. [112]

  4. Cancer - Wikipedia

    en.wikipedia.org/wiki/Cancer

    Radiation is a more potent source of cancer when combined with other cancer-causing agents, such as radon plus tobacco smoke. Radiation can cause cancer in most parts of the body, in all animals and at any age. Children are twice as likely to develop radiation-induced leukemia as adults; radiation exposure before birth has ten times the effect ...

  5. Neoplasm - Wikipedia

    en.wikipedia.org/wiki/Neoplasm

    The term tumor derives from the Latin noun tumor 'a swelling', ultimately from the verb tumēre 'to swell'. In the British Commonwealth, the spelling tumour is commonly used, whereas in the U.S. the word is usually spelled tumor. [citation needed] In its medical sense, tumor has traditionally meant

  6. Malignancy - Wikipedia

    en.wikipedia.org/wiki/Malignancy

    Malignancy (from Latin male 'badly' and -gnus 'born') is the tendency of a medical condition to become progressively worse; the term is most familiar as a characterization of cancer. A malignant tumor contrasts with a non-cancerous benign tumor in that a malignancy is not self-limited in its growth, is capable of invading into adjacent tissues ...

  7. Glioblastoma - Wikipedia

    en.wikipedia.org/wiki/Glioblastoma

    Tumors of the central nervous system are the 10th leading cause of death worldwide, with up to 90% being brain tumors. [16] Glioblastoma multiforme (GBM) is derived from astrocytes and accounts for 49% of all malignant central nervous system tumors, making it the most common form of central nervous system cancer.

  8. Malignant transformation - Wikipedia

    en.wikipedia.org/wiki/Malignant_transformation

    Colon cancer provides one example of the mechanisms by which diet, the top factor listed in the table, is an external factor in cancer. The Western diet of African Americans in the United States is associated with a yearly colon cancer rate of 65 per 100,000 individuals, while the high fiber/low fat diet of rural Native Africans in South Africa is associated with a yearly colon cancer rate of ...

  9. Oncogene - Wikipedia

    en.wikipedia.org/wiki/Oncogene

    The discovery of specific small-molecule inhibitors that specifically target the different oncogenic proteins and a comprehensive mechanistic analysis of the ways in which oncogenes dysregulate physiological signaling to cause different cancer types and developmental syndromes are potential future advances in the field of cancer research.