A third possibility is delayed fixation and false negative results for the primary tumor, which could explain some of the gain of ER in recurrence.
第三个可能的原因是原发肿瘤延迟固定和假阴性结果，这个能解释复发病灶的ER阳性表达。
2
For negative sentence, total fixation time and saccade amplitude are shortest.
否定句注视时间最长，眼跳广度最小。
3
Objective To discuss the clinical value and existing problems of the fixation technology of negative pressure vacuum bag in tumor precise radiotherapy.