cancer
definition of cancer
1. a group of diseases in which cells divide abnormally and without control, and spread to nearby tissues and other parts of the body. Without treatment, cancer can stop organs from working normally, damage body systems, and cause the patient to die. Cancer may be caused by multiple factors, such as radiation, sunlight, tobacco, certain viruses, and poisonous chemicals; however, the cause of many cancers is unknown.1
cancer survivor
definition of cancer survivor
1. a person with cancer, from the time he or she is diagnosed through the balance of his or her life.1