39歲婦女,經診斷為子宮頸鱗狀上皮細胞癌,接受子宮根除術及骨盆腔淋巴結廓清術(radical hysterectomy and bilateral pelvic lymph node dissection),下列何者不屬於復發有關的高風險因子?
靠近邊緣,或切端邊緣有腫瘤(positive or close margins)
大腫瘤(large tumor size)
淋巴結有轉移(positive lymph nodes)
顯微鏡檢下有子宮旁結締組織侵犯(microscopic parametrial involvement)