Cumulative incidence of secondary neoplasms as a first event after childhood acute lymphoblastic leukemia .
第二种肿瘤作为儿童急性淋巴细胞性白血病首发事件的累积发生率。
He was fascinated by a sharklike species of cancer called acute lymphoblastic leukemia , which can move so fast that it kills an apparently healthy child within only a few days .
