anal dilatation
超长扩肛 super long dilation
医用扩肛棒婴儿 baby's medical anal dilator
外科医生会觉得术后的扩肛非常重要，扩肛需要从术后第六天开始持续两天。
Some surgeons feel that digital dilatation of the anus (stretching the area by hand) is important after the operation, and this may be performed around the sixth day for about two days.
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