在新选项卡中打开链接
  1. Copilot 答案
    Wikipedia
    https://en.wikipedia.org › wiki › Cancer

    Cancer - 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. While these symptoms may indicate canc… 展开

    Etymology and definitions

    The word comes from the ancient Greek καρκίνος, meaning 'crab' and 'tumor'. Greek physicians Hippocrates and Galen, among others, noted the similarity of crabs to some tumors with swollen veins. The word was introduced in En… 展开

    Signs and symptoms

    When cancer begins, it produces no symptoms. Signs and symptoms appear as the mass grows or ulcerates. The findings that result depend on cancer's type and location. Few symptoms are specific. Many frequently occur … 展开

    Causes

    The majority of cancers, some 90–95% of cases, are due to genetic mutations from environmental and lifestyle factors. The remaining 5–10% are due to inherited genetics. Environmental refers to any cause that is not … 展开

    Pathophysiology

    Cancer is fundamentally a disease of tissue growth regulation. For a normal cell to transform into a cancer cell, the genes that regulate cell growth and differentiation must be altered.
    The affected gen… 展开

    CC-BY-SA 许可证中的维基百科文本
  1. 某些结果已被删除