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  2. Lung cancer - Wikipedia

    en.wikipedia.org/wiki/Lung_cancer

    1.8 million (2020) [3] Lung cancer, also known as lung carcinoma, is a malignant tumor that begins in the lung. Lung cancer is caused by genetic damage to the DNA of cells in the airways, often caused by cigarette smoking or inhaling damaging chemicals. Damaged airway cells gain the ability to multiply unchecked, causing the growth of a tumor.

  3. Non-small-cell lung cancer - Wikipedia

    en.wikipedia.org/wiki/Non-small-cell_lung_cancer

    Non-small-cell lung cancer (NSCLC), or non-small-cell lung carcinoma, is any type of epithelial lung cancer other than small-cell lung cancer (SCLC). NSCLC accounts for about 85% of all lung cancers. [1][2][3] As a class, NSCLCs are relatively insensitive to chemotherapy, compared to small-cell carcinoma.

  4. Small-cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Small-cell_carcinoma

    Small-cell carcinoma is a type of highly malignant cancer that most commonly arises within the lung, [1] although it can occasionally arise in other body sites, such as the cervix, [2] prostate, [3] and gastrointestinal tract. Compared to non-small cell carcinoma, small cell carcinoma is more aggressive, with a shorter doubling time, higher ...

  5. History of cancer - Wikipedia

    en.wikipedia.org/wiki/History_of_cancer

    The Dutch professor Francois de la Boe Sylvius, a follower of Descartes, believed that all disease was the outcome of chemical processes, and that acidic lymph fluid was the cause of cancer. His contemporary Nicolaes Tulp believed that cancer was a poison that slowly spreads, and concluded that it was contagious. [6]

  6. Idiopathic pulmonary fibrosis - Wikipedia

    en.wikipedia.org/wiki/Idiopathic_pulmonary_fibrosis

    12 per 100,000 people per year [4] Idiopathic pulmonary fibrosis (IPF) synonymous with cryptogenic fibrosing alveolitis[5] is a rare, progressive illness of the respiratory system, characterized by the thickening and stiffening of lung tissue, associated with the formation of scar tissue.

  7. Cancer staging - Wikipedia

    en.wikipedia.org/wiki/Cancer_staging

    Determining the extent to which a cancer has developed. Cancer staging is the process of determining the extent to which a cancer has grown and spread. A number from I to IV is assigned, with I being an isolated cancer and IV being a cancer that has metastasized and spread from its origin. The stage generally takes into account the size of a ...

  8. Cancer screening - Wikipedia

    en.wikipedia.org/wiki/Cancer_screening

    The objective of cancer screening is to detect cancer before symptoms appear, involving various methods such as blood tests, urine tests, DNA tests, and medical imaging. [1][2] The purpose of screening is early cancer detection, to make the cancer easier to treat and extending life expectancy. [3] In 2019, cancer was the second leading cause of ...

  9. Georgia puts Cornel West, Jill Stein and Claudia De la Cruz ...

    www.aol.com/news/georgia-puts-cornel-west...

    Georgia voters are likely to be able to choose from six candidates for president after Secretary of State Brad Raffensperger on Thursday put Cornel West and Claudia De la Cruz back on the ballot ...

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