no evidence of recurrence meaning in English

无复发征象

There is no evidence of recurrence after twenty - one months
经21个月追踪检查，并无复发迹象。
There was no evidence of recurrence after a 4 months follow up
此病灶被切除并留有0 . 6公分之安全边缘。
During a 10 months follow - up period , the lesion regressed spontaneously and has shown no evidence of recurrence up to now
文献上，尚未有结膜上皮原位癌自行消失的正式报告。