Acute myelogenous leukemia (AML) is a cancer of the blood and bone marrow - the spongy tissue inside bones where blood cells are made.

急性骨髓性白血病(aml)是指血液中和骨髓中的细胞发生了癌变——骨髓是指骨内作为造血场所的海绵组织。

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Acute lymphocytic leukemia (ALL) is a type of cancer of the blood and bone marrow - the spongy tissue inside bones where blood cells are made.

急性淋巴细胞性白血病(all)是一种发生于血液和骨髓的癌症——骨髓(译者：此处指红骨髓)是指作为造血场所的骨内的海绵组织。

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Some cancers do not form tumors. For example, leukemia is a cancer of the bone marrow and blood.

有些癌症不形成肿瘤。例如，白血病是骨髓和血液的一种癌症。

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