There are only 4 : Cancer is generally divided into five stages, from stage 0, in which the presence of irregular or cancer cells are known, to stage iv, in which the cancer has spread to one or several other parts of the body. The higher the number of cancer staging, the more difficult the cancer is to treat due to the progression and spread of cancer cells. According to the national comprehensive cancer network, .
Answered 3/13/2019
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