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作者引用了Collins等人对Wilm′s肿瘤提出的胚胎性肿瘤复发危险期的概念,该设想认为:先天性肿瘤复发危险期=发病年龄十九个月的妊娠时间。作出这种设想,是因为一个起源于胚胎的肿瘤,存在一定的期限以后显现出来,这一期限决定于它的固有生长速度(各个肿瘤在生物学上的常数)。因此在治疗后存活的瘤细胞将继续增殖,并在与治疗前等长的期间内,肿瘤再次达到被临床能辨认的大小(?)所
The authors cite Collins et al.’s concept of a risk of recurrence of embryonal neoplasia for Wilm’s tumor, which presumes that the risk of congenital tumor recurrence = pregnancy time of nineteen months of onset. This assumption was made because a tumor that originates in the embryo emerges after a certain period of time has expired, depending on its intrinsic growth rate (the biological constant of each tumor). Therefore, the survival of tumor cells after treatment will continue to proliferate, and in the treatment of the same period of time before, the tumor again reached the clinically identifiable size (?)