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1·Colorectal tumor; Radiation therapy; Vascular endothelial growth factor (VEGF); Microvessel density (MVD).

直肠肿瘤；放射治疗；血管内皮生长因子；微血管密度。

2·Objective To evaluate the expression of Matrix metalloproteinase 2 (MMP 2) in colorectal tumor epithelial cells and mesenchymal cells.

目的探讨结直肠癌肿瘤实质及肿瘤间质中基质金属蛋白酶- 2 (MMP - 2)的表达及其病理学意义。

3·To investigate the changes of systemic immune function in patients undergoing laparoscopy-assisted colorectal tumor surgery during peri-operation period.

目的探讨腹腔镜结直肠癌根治术围术期系统免疫功能的变化。

4·The down-regulating of the immunosuppressors secreted from colorectal tumor cells may be one of anti-tumor action mechanisms of traditional Chinese medicines.

下调肿瘤细胞免疫抑制分子的分泌，应是中药制剂发挥抗瘤效应的机制之一。

5·Based on these results, researchers established the colorectal tumor miss rate as zero percent (up to 2%) for significant tumors and 12 percent for all tumors.

基于这些结果，研究者确立了显著肿瘤漏检率为0 - 2%，所有肿瘤的漏检率为12 %。

6·Results demonstrated that plasma CRP levels were significantly higher in patients in whom colorectal tumors were forming when compared to patients without tumor development.

结果表明，与未发生肿瘤的病人相比，结直肠肿瘤形成者血浆C -反应蛋白水平显着升高。

7·The frequencies of GSTM1-null and GSTT1-null genotypes in colorectal tumor and control groups were ascertained by using polymerase chain reaction (PCR) and multiple-PCR techniques.

应用聚合酶链式反应（PCR）、多重PCR方法检测GSTM1和GSTT1在正常人群和结直肠肿瘤患者群体中的基因多态性分布。

8·Objective To investigate the heterogeneity of chemosensitivity in colorectal cancer using an ATP-tumor chemosensitivity assay (ATP-TCA) and the feasibility of individual chemotherapy.

目的探讨用atp生物荧光肿瘤体外药敏检测技术(atp - TCA)研究大肠癌药敏的异质性和个体化疗的可行性。

9·To identify the AKT1 mutation, the researchers analyzed 150 tumor samples from patients with either breast, colorectal or ovarian cancer (50 samples from each tumor type).

为了鉴定AKT1基因突变，研究人员共筛选了150份肿瘤样本，其中乳腺癌、直结肠癌和卵巢癌各50份。

10·Colorectal cancer accounts for a large number of tumor-related deaths.

结直肠癌占肿瘤相关性死亡的多数。