More info on Wikipedia
Quick Facts
- The medical term for cancer is "malignant neoplasm"
- Most cancers form a tumor but blood cancer does not
- Cancer affects people of all ages
- Cancer accounts for about 13% of all deaths
- In 2007, about 7.6 million people died of cancer
Expert summary
Cancer refers to diseases in which a group of cells display uncontrolled growth, intrusion on and destruction of adjacent tissues, and sometimes show metastasis or spread to other locations in the body through blood or lymph. The malignant (harmful) nature of cancers distinguishes them from harmless tumors since they are uncontrolled, and do not invade or spread to other areas. The branch of medicine concerned with the diagnosis and treatment of cancer is called oncology. Cancers are usually caused by abnormalities in the genetic material of transformed cells. These abnormalities are generally caused by carcinogens such as tobacco smoke, radiation, chemicals, or infective agents. DNA replication or inherited genetic disorders may also... Read more
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