primary tumor

The primary tumor was at the gastroesophageal junction in 20 % and was poorly differentiated in 60 %.

原发性肿瘤20%位于胃食管结合部,还有60%分类很差.

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This paper reports 25 cases of primary malignant tumor of duodenum. One case of tumor was located at the superior part of duodenum, 20 cases at descending part, 2 cases at horizontal part and 2 cases at ascending part.

本文报告原发性十二指肠恶性肿瘤25例，位于球部1例、降部20例、横部和升部各2例；

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Objective To study atypical manifestation of pulmonary metastasis and its relation with primary tumor.

目的分析肺转移瘤的不典型表现及与原发肿瘤的关系。

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Choosing the positive criterion T/ NT ≥ 1.5, We were able to calculate the sensitivity of PRGS of the primary tumor, the specificity of colon wall tissue and excised edge, the sensitivity and specificity of lymph nodes.

以T/NT≥1.5为阳性标准，计算PRGS对原发肿瘤的探测敏感性和特异性、对系膜淋巴结转移的敏感性及特异性。

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results: the expressions of mvd 、 vegf 、 mmp2 in spleen primary tumor were inhibited ( p < 0. 05 or p < 0. 01).

结果：不同剂量的参三七醇提液对肿瘤组织MVD、VEGF、MMP2表达均有明显抑制作用（P

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At autopsy , the primary tumor site was found to be in the inferior vena cava.

尸检发现, 原发的肿瘤位于下腔静脉.

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Conclusions For patients with brain metastasis from lung carcinoma, the presence of uncontrolled primary tumor at the time of developing brain metastasis, multiple extracranial lesions in addition to brain metastasis and the irradiation dose were factors that could be used to distinguish patients with an unfavorable outcome.

结论影响肺癌转移预后的主要因素是脑转移时原发灶控制与否，是否合并颅外转移，脑部放疗剂量，身体状况。

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Clinical history and primary tumor play an important role in diagnosis and differential diagnosis.

临床病史及原发灶在对单发转移瘤的诊断与鉴别诊断中具有重要价值.

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[ Methods] In all the 215 cases of liver tumor ( 155 primary hepatic tumor, 52 hepatic metastases, 1 hepatic adenoma, 7 hepatic hemangioma) which were confirmed by biopsy were treated by RFA guiding with CT.

[方法]215例经穿刺活检病理证实的肝脏肿瘤患者（原发性肝癌155例，转移性肝癌52例，肝腺瘤1例，肝血管瘤7例）均行在CT引导下的RFA治疗。

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Conclusion The IL-2 gene engineered human RCC cells lost tumorigenicity. The primary RCC cells transduced with human IL-2 gene might be as tumor vaccine for the treatment of RCC.

结论转人IL2基因使原代RCC失去了致瘤性，转人IL2基因的RCC细胞可作为瘤苗用于肾细胞癌的治疗。

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Results Of 62 patients with pleural effusion, 54 caused by primary malignant tumor, 8 by nonmalignant tumor ( 2 tuberculosis, 2 congestive heart failure, 3 cirrhosis of liver, 1 pleural mesotheloma).

结果62例患者中，54例为原发恶性肿瘤所致的恶性胸腔积液，8例为非恶性胸腔积液，其中2例结核，2例充血性心力衰竭，3例肝硬化，1例胸膜间皮瘤。

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Reagents blocking the CD44/ HA interaction have been found to prevent primary tumor growth and metastasis. Moreover, recent evidence suggests that glycosylation may be a major mechanism controlling the interaction between CD44 and HA.

阻止二者之间的相互作用能够抑制原发性肿瘤的生长和转移。越来越多的研究发现CD44s的N-糖基化状态是调控其与透明质酸间结合的重要机制。

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Results 26 patients had primary tumor and 3 had locally recurrent carcinoma.

结果原发癌26例和复发癌3例。

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The primary goal of the strategy is to selectively increase tumor cell exposure to cytotoxic drug metabolites generated locally by a prodrug-activating P450 enzyme, which expresses highly in tumor cells after being transduced.

这种方法的首要目标就是选择性地使细胞色素P450在肿瘤细胞内超量表达。

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With the continuous progress of modern treatment in the future, we must be able to find new means to remove the primary tumor cells and effective prevent their relapse.

随着现代治疗手段的不断进步，在不久的将来，一定能找到彻底清除肿瘤细胞并有效预防复发的治疗新手段。

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Results: The in vitro cell invasion and adhesion potential of tumor cells from lymph node metastasis was significantly higher than those from primary tumor by 2.5 fold and 1.5 fold, respectively.

结果：淋巴结转移灶分离的肿瘤细胞的体外侵袭及粘附能力显著高于原发灶内分离的肿瘤细胞，大约分别为后者的2.5倍和1.5倍；

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The primary cells represent intact subpopulation composition, but it can hardly get through the life span of human primary tumor cells.

用原代肿瘤细胞进行体外侵袭实验代表性好，但难以突破肿瘤细胞的有限生存期。

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Diagnosis, treatment and prognosis of 23 patients with primary gastric lymphoma treated at the Tumor Hospital of Harbin Medical University during the past eleven years are analysis in this paper.

本文对我院11年间收治的23例胃原发性恶性淋巴瘤的诊断、治疗和预后因素进行了分析探讨。

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It is imcomplete removal of the primary tumor that is the main cause of local recurrence.

切除不彻底是复发的主要原因。

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The close relationship between metastasis tumor of pathology, anatomical position, size and primary tumor were found by clinical analysis.

临床分析发现转移灶的病理形态、解剖位置、病灶大小与原发灶有密切关系。

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Conclusion The more often primary affection of PFE were pneumothorax, malignant tumor and tuberculosis.

结论PFE原发病以气胸、恶性肿瘤和结核为多；

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Conclusion Microwave tissue coagulation can obliterate the primary focus of oral carcinoma and can control the local recurrence of tumor through evoking apoptosis and enhancing immunity.

结论MTC可杀灭口腔癌原发灶，同时诱导邻近组织细胞凋亡和免疫增强来控制肿瘤的局部复发。

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