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A cancer cluster is a disease cluster in which a high number of cancer cases occurs in a group of people in a particular geographic area over a limited period of time. [ 1 ] Historical examples of work-related cancer clusters are well documented in the medical literature.
Collecting duct carcinoma (CDC) is a type of kidney cancer that originates in the papillary duct of the kidney. It is rare, accounting for 1-3% of all kidney cancers. [ 2 ] It is also recently described; a 2002 review found just 40 case reports worldwide. [ 3 ]
The epidemiology of cancer is the study of the factors affecting cancer, as a way to infer possible trends and causes. The study of cancer epidemiology uses epidemiological methods to find the cause of cancer and to identify and develop improved treatments. This area of study must contend with problems of lead time bias and length time bias ...
State cancer registries monitor cancer trends, determine cancer patterns, direct planning and evaluation of cancer control programs, help set priorities for allocating health resources, promote research, and provide information on cancer incidence. The data collected helps public health professionals understand and address the cancer burden.
Field cancerization or field effect (also termed field change, field change cancerization, field carcinogenesis, cancer field effect or premalignant field defect) is a biological process in which large areas of cells at a tissue surface or within an organ are affected by carcinogenic alterations. The process arises from exposure to an injurious ...
But brain cancer was the most common cause of cancer deaths among youths in 2021, according to the CDC report. Death rates for brain cancer that year were 23% higher than for leukemia, and more ...
The term is used for two distinct concepts, often conflated: mutagen signatures and tumor signatures. Its original use, mutagen signature, referred to a pattern of mutations made in the laboratory by a known mutagen and not made by other mutagens – unique to the mutagen as a human signature is unique to the signer.
Bloating is one symptom of ovarian cancer, according to the CDC. Other ovarian cancer signs are: Vaginal bleeding (especially in post-menopausal people) Abnormal vaginal discharge.