一位35 歲女性有一4 公分子宮頸腫瘤,切片結果為分化不良的子宮頸癌(poorly differentiated squamous cell carcinoma),內診發現腫瘤已侵犯子宮頸旁組織。則下列何者為最適當的治療?
骨盆腔放射線治療(pelvic radiotherapy)
骨盆腔放射線治療之後加上子宮根除術(pelvic radiotherapy followed by radical hysterectomy)
子宮根除術及兩側骨盆腔淋巴結清除(radical hysterectomy and bilateral pelvic lymphadenectomy)
子宮根除術之後加上骨盆腔放射線治療(radical hysterectomy followed by pelvic radiotherapy)