[名词解释] 胎盘剥离后滞留

完全性子宫破裂(complete rupture ofuterus) 羊水栓塞(amnionic fluid embolism) 有关食管癌的治疗，正确的是() ["A．各段食管癌均首选手术治疗","B．单独化疗效果好","C．化疗适用于不能切除的上、中段食管癌","D．化疗不仅可加强放疗的作用，且严重不良反应发生率低","E．上段食管癌首选放疗"] 胎膜早破 食管癌的最常见的好发部位是() ["A．颈段","B．上段","C．中段","D．下段","E．贲门"] 胎盘剥离后滞留