Analyze the etiology, therapeutic methods and curative effect of postoperative gastroplegia syndrome (PGS) after radical colectomy and proctectomy.
2
结肠镜操作可以看到整个结肠，因为其是具备诊断和治疗的唯一方法，对结直肠癌预防发挥着非常重要的作用。
Colonoscopy is a procedure which looks at the entire colon and plays a very important role in colorectal cancer prevention because it is the only method that is both diagnostic and therapeutic.
3
目的探讨直肠癌术后局部复发的原因、诊断和治疗方法。
Objective To study the causes of local recurrence, diagnoses and treatment of post operational rectal cancer.
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