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All ages, [3] most common in 60s and 70s. [4] It is the most common malignant cancer in children, but the cure rates are also higher for them. Causes: Inherited and environmental factors [5] Risk factors: Smoking, family history, ionizing radiation, some chemicals such as trichloroethylene, prior chemotherapy, Down syndrome. [3] [5] Diagnostic ...
The following is a list of cancer types. Cancer is a group of diseases that involve abnormal increases in the number of cells, with the potential to invade or spread to other parts of the body. [1] Not all tumors or lumps are cancerous; benign tumors are not classified as being cancer because they do not spread to other parts of the body. [1]
Cancer cells have unique features that make them "immortal" according to some researchers. The enzyme telomerase is used to extend the cancer cell's life span. While the telomeres of most cells shorten after each division, eventually causing the cell to die, telomerase extends the cell's telomeres. This is a major reason that cancer cells can ...
Globally, pancreatic cancer is the 11th most-common cancer in women and the 12th most-common in men. [10] The majority of recorded cases occur in developed countries . [ 10 ] People from the United States have an average lifetime risk of about 1 in 67 (or 1.5%) of developing the disease, [ 115 ] slightly higher than the figure for the UK. [ 116 ]
The included cancer types are the ones causing most death as per data from the US in 2008. [1] Lung cancer, mainly to adrenal glands, brain, and bone [2] Breast cancer, mainly to bone, liver, lung and brain. [3] Colon cancer, mainly to liver. [4] Pancreatic cancer, mainly to liver and lungs. [5] Melanoma, mainly to brain [6]
Carcinoma is a malignancy that develops from epithelial cells. [1] Specifically, a carcinoma is a cancer that begins in a tissue that lines the inner or outer surfaces of the body, and that arises from cells originating in the endodermal, mesodermal [2] or ectodermal germ layer during embryogenesis.
More than a decade later, there's no sign of cancer in his body. The treatment cured Olson and a second patient, according to the University of Pennsylvania doctors, who said it was the first time ...
Nearly 40% of lung cancers are adenocarcinomas, which usually originates in peripheral lung tissue. [10] Most cases of adenocarcinoma are associated with smoking; however, among people who have smoked fewer than 100 cigarettes in their lifetimes ("never-smokers"), [11] adenocarcinoma is the most common form of lung cancer. [12]