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    Can·cer
    /ˈkansər/
    • 1. a constellation (the Crab), said to represent a crab crushed under the foot of Hercules. It is most noted for the globular star cluster of Praesepe (the Beehive cluster).
    • 2. the fourth sign of the zodiac, which the sun enters at the northern summer solstice (about June 21).

    noun

    • 1. a person born when the sun is in the sign of Cancer.

    adjective

    • 1. used with preceding Greek letter or numeral to designate a star in the constellation Cancer: "the star Delta Cancri"
  2. Oct 11, 2021 · Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues. Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. These changes are also called genetic changes.

  3. Cancer starts when cells begin to grow out of control. Here is some information to help you better understand and define cancer.

  4. Dec 7, 2022 · Find out the basics about cancer, including symptoms, causes and treatments. Learn steps you can take to prevent cancer.

  5. en.wikipedia.org › wiki › CancerCancer - Wikipedia

    Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which do not spread. Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements.

  6. Feb 3, 2022 · Cancer is a generic term for a large group of diseases that can affect any part of the body. Other terms used are malignant tumours and neoplasms.

  7. www.cancer.gov › about-cancer › understandingUnderstanding Cancer - NCI

    Understanding Cancer. Cancer is not one disease, but a collection of related diseases that can occur almost anywhere in the body. At its most basic, cancer is a disease of the genes in the cells of our body. Genes control the way our cells work.

  8. Jan 17, 2023 · Cancer is a large group of diseases that occur when abnormal cells divide rapidly and can spread to other tissue and organs. These rapidly growing cells may cause tumors. They may...

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