Cancer - Symptoms and causes - Mayo Clinic
2022年12月7日 · Cancer refers to any one of a large number of diseases characterized by the development of abnormal cells that divide uncontrollably and have the ability to infiltrate and destroy normal body tissue. Cancer often has the ability to spread throughout your body. Cancer is the second-leading cause of death in the world.
A to Z List of Cancer Types - NCI - National Cancer Institute
Alphabetical list of all cancers, with links to disease-specific and general information about treatment, coping, screening, prevention, clinical trials, and other topics.
What Is Cancer? - NCI - National Cancer Institute
Cancer is a disease in which some of the body’s cells grow uncontrollably and spread to other parts of the body. Cancer can start almost anywhere in the human body, which is made up of trillions of cells. Normally, human cells grow and multiply (through a process called cell division) to form new cells as the body needs them.
Comprehensive Cancer Information - NCI
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. Treatment. Side Effects. Causes & Prevention. Diagnosis & Staging. Find a …
Cancer - World Health Organization (WHO)
2022年2月3日 · Cancer is a leading cause of death worldwide, accounting for nearly 10 million deaths in 2020 (1). The most common in 2020 (in terms of new cases of cancer) were: breast (2.26 million cases); lung (2.21 million cases); colon and rectum (1.93 million cases); prostate (1.41 million cases); skin (non-melanoma) (1.20 million cases); and.
American Cancer Society
Dedicated to helping people who face cancer. Learn about cancer research, patient services, early detection, treatment and education at cancer.org.
Cancer - Wikipedia
Cancers comprise a large family of diseases that involve abnormal cell growth with the potential to invade or spread to other parts of the body. [2] [7] They form a subset of neoplasms. A neoplasm or tumor is a group of cells that have undergone unregulated growth and will often form a mass or lump, but may be distributed diffusely. [28] [29]
What Is Cancer? | Cancer Basics | American Cancer Society
There are two main categories of cancer: Hematologic (blood) cancers are cancers of the blood cells, including leukemia, lymphoma, and multiple myeloma. Solid tumor cancers are cancers of any of the other body organs or tissues. The most common solid tumors are breast, prostate, lung, and colorectal cancers.
Cancer | Definition, Causes, Types, & Treatment | Britannica
4 天之前 · Cancer, group of numerous distinct diseases that are characterized by the uncontrolled multiplication of abnormal cells in the body. Cancer is a major cause of sickness and death worldwide. Learn more about the history of cancer, cancer rates and trends, and the causes, diagnosis, and treatment of cancer.
Cancer: Types, Causes, Treatment, and Prevention - Healthline
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...