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大肠癌手术性质分类 (一)根治切除术定义凡手术时能将肉眼所见及扪及的肿瘤(包括原发灶及引流的区域淋巴结)作全部切除者均属根治性切除。 (二)姑息切除术定义: 凡手术虽能将原发癌病灶切除,但有肉眼可见或扪及的肿瘤残留者,属于姑息性切除术。根治切除术手术范围 (一)0期(原位癌——肿瘤局限于大肠粘膜层);见于腺瘤局限性恶变者。手术原则
Classification of colorectal cancer surgery (A) radical resection of surgery defined in the operation of the naked eye and sputum tumors (including primary lesions and drainage of regional lymph nodes) for all resection are radical resection. (B) the definition of palliative resection: All surgery can be the primary cancer lesions removed, but there are macroscopic or residual tumor residual, belong to palliative resection. Radical resection surgery range (a) 0 (in situ carcinoma - tumor confined to the large intestine mucosal layer); seen in the limitations of malignant adenoma. Principle of surgery