Comprehensive Cancer Information - NCI
网页NCI is the nation’s trusted source for cancer information. We are here for you with information about causes and risk factors, symptoms, how cancer is diagnosed, and treatment options. Find a Cancer Type
Cancer - Symptoms and causes - Mayo Clinic
网页2022年12月7日 · Find out the basics about cancer, including symptoms, causes and treatments. Learn steps you can take to prevent cancer.
What Is Cancer? - NCI - National Cancer Institute
网页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.
Cancer: Types, Causes, Treatment, and Prevention - Healthline
网页2023年1月17日 · 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 also disrupt...
Cancer - World Health Organization (WHO)
网页2022年2月3日 · Cancer is a leading cause of death worldwide, accounting for nearly 10 million deaths in 2020, or nearly one in six deaths. The most common cancers are breast, lung, colon and rectum and prostate cancers.
癌症 - 维基百科，自由的百科全书
网页癌症（英語： cancer ）又称恶性瘤 [8] [9] （malignant tumor）、惡性腫瘤（malignant neoplasm），是各种恶性肿瘤的统称，相对于良性肿瘤，分为分为上皮癌和肉瘤两大类。
Cancer - Wikipedia
网页Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [2] [7] These contrast with benign tumors, which do not spread. [7] Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. [1]
癌症 - World Health Organization (WHO)
网页2022年2月3日 · 癌症是一组可影响身体任何部位的多种疾病的通称。 使用的其它术语为恶性肿瘤和赘生物。 癌症的一个决定性特征是异常细胞快速生成，这些细胞超越其通常边界生长并可侵袭身体的临近部位和扩散到其它器官。 后者被称为转移。 广泛转移是癌症死亡的主要原因。 问题. 癌症是全世界的一个主要死因，2020年导致近1千万人死亡 (1)。 2020年，（就癌症新病例而言）最常见的是： 乳腺癌（226万例）； 肺癌（221万例）； 结肠和直肠 …
Cancer - World Health Organization (WHO)
网页2024年9月12日 · Cancer is the second leading cause of death globally, accounting for an estimated 9.6 million deaths, or 1 in 6 deaths, in 2018. Lung, prostate, colorectal, stomach and liver cancer are the most common types of cancer in men, while breast, colorectal, lung, cervical and thyroid cancer are the most common among women.
American Cancer Society - Information and Resources about Cancer …
网页Dedicated to helping people who face cancer. Learn about cancer research, patient services, early detection, treatment and education at cancer.org.