Although surgery is thus far the most efficient treatment for HCC, recurrence and metastasis of cancer cells after removal of cancer tumor or transplantation of liver may result in bad prognosis.
手术治疗仍然是目前肝癌最有效的治疗方法，但肝癌切除术或肝移植术后肿瘤的复发和转移是肝癌病人预后差的主要原因。
The theory of cancer stem cell proposes that the tumor tissue has its own cancer stem cells in it and regards cancer stem cell as the key to regeneration, metastasis and recurrence.
肿瘤干细胞学说认为，肿瘤组织中也存在少量具有干细胞性质的肿瘤干细胞，肿瘤干细胞是肿瘤发生、转移和复发的关键。
Cancer stem cells, a small subset of cells found in solid tumors, have the capacity to self-renew and differentiate, initiate tumors and drive tumor growth, recurrence and metastasis.
肿瘤干细胞是在实体肿瘤中发现的一个小的细胞亚群，其具有自我更新和分化、引发肿瘤并促进肿瘤生长、复发和转移的能力。
But because of patients with hepatic tumor surgery can cause body tissue damage and loss of blood, frail patients, easy to cause the tumor recurrence of the spread of cancer cells, and metastasis.
但由于肝肿瘤手术会造成患者机体组织的损伤和气血损耗，使患者体质虚弱，容易导致肿瘤症的复发、肿瘤细胞的扩散和转移。
BACKGROUND the metastasis and recurrence is the important death reason of breast cancer patients, and is the difficult problem for clinical treatment.
乳腺癌的转移和复发是乳腺癌患者死亡的重要原因，也是乳腺癌临床治疗的难题。
IntroductionPeritoneal metastasis is the commonest form of recurrence and the most important cause of death of advanced gastric cancer after radical dissection.
腹膜转移是进展期胃癌根治术后最常见的复发形式，是导致死亡的重要原因。
Objective: to investigate the computed tomography (ct) features of postoperative recurrence and mediastinal lymph node metastasis from esophageal cancer.
前言：目的：探讨食管癌根治术后复发及纵隔淋巴结转移的CT表现特点和术后复发原因。
And the main reason that lower the living standard and cause death of the patients with cancer is the recurrence and metastasis of tumor.
而肿瘤的复发与转移是造成癌症病人生活质量下降及死亡的主要原因。
High levels of Snail have been linked to metastasis, tumor cell survival and tumor recurrence, and thus predict a poor clinical outcome for women with breast cancer.
Snail表达增高与转移、肿瘤细胞生存和肿瘤复发密切相关，因此可预测乳腺癌病人具有较差的临床结局。
The key of further improve the comprehensive efficacy of gastric cancer is how to early diagnose and monitor recurrence, distant metastasis after surgery.
如何早期诊断、监测术后复发、远处转移是进一步提高胃癌综合疗效的关键。
Important organs of the transfer is the main reason for cancer death, while the tumor growth, metastasis and recurrence are dependent on angiogenesis.
重要脏器的转移是恶性肿瘤致死的主要原因，而肿瘤生长、转移和复发都依赖于肿瘤血管生成。
Conclusion: Lymph node metastasis and depth of bowel wall invasion are important prognostic factors for recurrence and metastasis after colorectal cancer surgery.
结论：淋巴结转移、肠壁浸润深度是影响结直肠癌术后复发转移重要的预后因素。
BACKGROUND: There may be tumor stem cells during metastasis and recurrence of liver cancer. The number of tumor stem cells is very few, so it is difficult to be identified.
背景：肝癌的转移复发被认为可能存在有肿瘤干细胞，后者在肿瘤细胞中数目极少，使得临床鉴别存在一定困难。
LCI D20 human liver cancer metastasis model, after hepatectomy, was used to observe the effect of RSM on recurrence and metastasis of liver carcinoma in nude mice.
以LCID 20裸鼠人肝癌转移模型为材料，观察丹参对早期和晚期肝癌切除术后转移复发的影响。
The increase of serum CA50 levels was related with the clinical stage, recurrence and metastasis of colorectal cancer.
血清CA50水平升高与大肠癌临床分期、复发和转移等因素密切相关。
The increase of serum CA50 levels was related with the clinical stage, recurrence and metastasis of colorectal cancer.
血清CA50水平升高与大肠癌临床分期、复发和转移等因素密切相关。
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