Department;
of;
Medical;
Oncology,;
The;
Second;
People;
Hospital;
of;
Dazhou,;
Dazhou;
635000,;
China;
Thoracic;
Surgical;
Department,;
The;
Second;
People;
Hospital;
of;
Dazhou,;
Dazhou;
635000,;
China;
化疗治疗; 晚期食管癌; 5-Fu方案; 胃肠功能紊乱; 中晚期食管; 对照组; 氟脲嘧啶; 骨髓抑制;