What are the types of cancer divided from the cause?
28 years old
2018-06-06
Grandpa smokes a lot and always coughs. Examined that the lung cancer is caused by chemicals. So what are the types of cancer in terms of the cause?
1 Answer These messages are for reference only
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BY Ina Barton 2018-06-07Although there are many types of cancer, from the perspective of onset, cancer can be roughly divided into three categories: 1. Biological carcinogenesis, including viruses and parasites, such as rectal cancer caused by leukemia, nasopharyngeal cancer, and schistosomiasis; 2. 2. Chemical substances cause cancer, such as nitrosamine and benzopyrene can cause esophageal cancer and lung cancer; 3. Physical factors cause cancer, such as excessive radiation can cause leukemia.8
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