In-hospital mortality of liver transplantation and risk factors: a single-center experience.

Background: Liver transplantation (LT) is a life-saving treatment for patients with end-stage liver disease and acute liver failure. However, in-hospital death cannot be avoided. We designed this study to analyze patients' in-hospital mortality rate after LT and the factors correlated with in-hospital death.

Diffused hepatic angiosarcoma with Kasabach-Merritt syndrome-case report and literature review.

Background: Hepatic angiosarcoma is a rare malignant tumor featured by highly aggressive behavior and poor prognosis. There are few reports about diffused hepatic angiosarcoma with Kasabach-Merritt syndrome till now.

Case Presentation: A male patient with the chief complain of hepatic space-occupying lesion accompanied by disturbance of consciousness and jaundice.

Pancreatic acinar cell carcinoma-case report and literature review.

Background: Pancreatic acinar cell carcinoma (ACC) is a rare tumor that constitutes 1% of all pancreatic neoplasms. Pancreatic ACC has unique characteristics in terms of biological behavior, imaging and prognosis.

Case Presentation: The present study reported two cases of pancreatic ACC confirmed by postoperative pathology and both cases exhibited several different imaging features and laboratory test results.

Feasibility of portal or superior mesenteric vein resection and reconstruction by allogeneic vein for pancreatic head cancer-a case-control study.

Background: There are few reports about resection of portal vein (PV)/superior mesenteric vein (SMV) and reconstruction by using allogeneic vein. This case-control study was designed to explore the feasibility and safety of this operation type in patients with T3 stage pancreatic head cancer.

Methods: A total of 42 patients (Group A) underwent PV/SMV resection and reconstruction by using allogeneic vein were 1:1 matched to 42 controls (Group B) with other types of resection and reconstruction.

Correlation between lymphatic endothelial markers and lymph node status or N-staging of colorectal cancer.

Background: The purpose of this study is to examine the expression levels of lymphatic endothelial markers in colorectal cancer and to explore the correlation between the expression levels of markers and lymph node status.

Methods: Forty-seven paired fresh tumor tissues and para-cancerous tissues were collected from colorectal cancer patients who received surgical treatment between August 2015 and March 2016 in Cancer Hospital, Chinese Academy of Medical Sciences. Real-time quantitative PCR (RTQ-PCR) was used to check the expression levels of LYVE-1, VEGFR-3, Podoplanin, and Prox-1 in tumor and para-cancerous tissues.

Venous anastomosis using a non-penetrating vascular closure system in orthotopic liver transplantation.

Background: A non-penetrating vessel closure system (VCS-AnastoClip ) may facilitate vascular anastomosis. The purpose of this study is to explore the utilization of a non-penetrating VCS in orthotopic liver transplantation (OLT).

Methods: From January 2015 to February 2017, patients who underwent OLT were divided into two groups, ie, those who underwent non-penetrating VCS application for inferior vena cava (IVC) and portal vein (PV) reconstructions and those who underwent hand sewing for these purposes.

Analysis of prognostic factors for pancreatic head cancer according to para-aortic lymph node.

This study was designed to investigate the relationship between prognosis of pancreatic head cancer and status of para-aortic lymph node (PALN). A total of 233 patients with pancreatic head cancer who underwent surgical resection between February 2008 and October 2015 were enrolled in this study. Univariate and multivariate analyses were used to reveal the prognostic factors.

Effect of preoperative injection of carbon nanoparticle suspension on the outcomes of selected patients with mid-low rectal cancer.

Background: Carbon nanoparticles show significant lymphatic tropism and can be used to identify lymph nodes surrounding mid-low rectal tumors. In this study, we analyzed the effect of trans anal injection of a carbon nanoparticle suspension on the outcomes of patients with mid-low rectal cancer who underwent laparoscopic resection.

Methods: We collected the data of 87 patients with mid-low rectal cancer who underwent laparoscopic resection between November 2014 and March 2015 at Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College.

Resection of portal and/or superior mesenteric vein and reconstruction by using allogeneic vein for pT3 pancreatic cancer.

Background And Aim: There is still controversy on the outcomes of portal vein (PV) and/or superior mesenteric vein (SMV) resection in pancreatic cancer, and there are few reports about pancreaticoduodenectomy (PD) with PV/SMV resection and reconstruction by using allogeneic vein. This study is to explore the outcomes of PD with PV/SMV resection and reconstruction by using allogeneic vein for pT3 pancreatic cancer with venous invasion.

Methods: Clinicopathological data of patients underwent PD with en bloc resection of PV/SMV and reconstruction by using internal iliac from August 20, 2013 to July 25, 2015 were collected and the data of patients with pT3 stage pancreatic head cancer with PV/SMV invasion were analyzed.

Clinical parameters predicting pathologic complete response following neoadjuvant chemoradiotherapy for rectal cancer.

Introduction: Preoperative chemoradiotherapy (CRT), followed by total mesorectal excision, has become the standard of care for patients with clinical stages II and III rectal cancer. Patients with pathologic complete response (pCR) to preoperative CRT have been reported to have better outcomes than those without pCR. However, the factors that predict the response to neoadjuvant CRT have not been well defined.

Outcome of Laparoscopic Versus Open Resection for Transverse Colon Cancer.

Background: Laparoscopic resection for transverse colon cancer remains controversial. The aim of this study is to investigate the short- and long-term outcomes of laparoscopic surgery for transverse colon cancer.

Methods: A total of 278 patients with transverse colon cancer from a single institution were included.

Impact of previous abdominal surgery on the outcome of laparoscopic resection for colorectal cancer: a case-control study in 756 patients.

Background: A history of previous abdominal surgery (PAS) may increase the complexity of laparoscopic colorectal surgery. The aim of this study was to investigate the impact of PAS on the outcomes of laparoscopic colorectal resection for colorectal cancer.

Methods: A total of 378 colorectal cancer patients (group A) with a history of PAS were 1:1 matched to 378 controls (group B) without PAS from our prospective laparoscopic colorectal surgery database.

Analysis of the prognostic factors for low rectal cancer with the pT1-2NxM0 stage after abdominoperineal resection.

Objective: This study was designed to explore the factors influencing local recurrence and survival for low rectal cancer with pT1-2NxM0 stage after an abdominoperineal resection (APR).

Methods: Data of 429 patients confirmed to have pT1-2NxM0 after APR were reviewed.

Results: The recurrence rate in patients with intraoperative perforation, less than 12 lymph nodes (LNs) harvested, T2 staging, and positive circumferential resection margin (CRM) was 25.

Long-term outcomes after D2 gastrectomy for early gastric cancer: survival analysis of a single-center experience in China.

Background: Early gastric cancer (EGC) is well accepted as having a favorable prognosis, but some patients experience an ominous outcome after curative resection. This study was aimed at evaluating predictive factors associated with prognosis of D2 gastrectomies in patients with early gastric cancer.

Materials And Methods: A total of 518 patients with early gastric cancer who underwent D2 gastrectomies were reviewed in this study.

Outcome of laparoscopic versus open resection for rectal cancer in elderly patients.

Background: Laparoscopic colorectal resection has been gaining popularity over the past two decades. However, studies about laparoscopic rectal surgery in elderly patients with long-term oncologic outcomes are limited. In this study, we evaluated the short-term and long-term outcomes of laparoscopic and open resection in patients with rectal cancer aged ≥ 70 y.

New technique of intracorporeal anastomosis and transvaginal specimen extraction for laparoscopic sigmoid colectomy.

Background: Despite the growing acceptance of laparoscopic colon surgery, an abdominal incision is needed to remove the specimen and perform an anastomosis. Recently, natural orifice specimen extraction (NOSE) and intracorporeal anastomosis have been proposed to minimize abdominal wall trauma and improve the quality of laparoscopic colon resections Objective: To evaluate the feasibility and safety of a new approach combining intracorporeal delta-shaped anastomosis and transvaginal specimen extraction for totally laparoscopic sigmoid colectomy.

Materials And Methods: Mobilization of bowel and dissection of lymph nodes were performed laparoscopically.

Seniors have a better learning curve for laparoscopic colorectal cancer resection.

Purpose: This study was designed to evaluate the outcomes of laparoscopic colorectal resection in a period of learning curve completed by surgeons with different experience and aptitudes with a view to making clear whether seniors had a better learning curve compared with juniors.

Methods: From May 2010 to August 2012, the first twenty patients underwent laparoscopic colorectal resection completed by each surgeon were selected for analysis retrospectively. A total of 240 patients treated by 5 seniors and 7 juniors were divided into the senior group (n=100) and the junior group (n=140).

Risk of lymph node metastases from early gastric cancer in relation to depth of invasion: experience in a single institution.

Background: An accurate assessment of potential lymph node metastasis is important for the appropriate treatment of early gastric cancers. Therefore, this study analyzed predictive factors associated with lymph node metastasis and identified differences between mucosal and submucosal gastric cancers.

Materials And Methods: A total of 518 early gastric cancer patients who underwent radical gastrectomy were reviewed in this study.

Lymph node ratio is an independent prognostic factor in node positive rectal cancer patients treated with preoperative chemoradiotherapy followed by curative resection.

Background: The lymph node ratio (LNR) has been shown to be an important prognostic factor for colorectal cancer. However, studies focusing on the prognostic impact of LNR in rectal cancer patients who received neoadjuvant chemoradiotherapy (CRT) followed by curative resection have been limited. The aim of this study was to investigate LNR in rectal cancer patients who received neoadjuvant chemoradiotherapy (CRT) followed by curative resection.

Analysis of laparoscopy-assisted gastric cancer operations performed by inexperienced junior surgeons.

To clarify whether gastric cancer patients can benefit from laparoscopy-assisted surgery completed by junior surgeons under supervision of expert surgeons, data of 232 patients with gastric cancer underwent operation performed by inexperienced junior surgeons were reviewed. Of the 232 patients, 137 underwent laparoscopy- assisted resection and in 118 cases this approach was successful. All of these 118 patients were assigned to laparoscopic group in this study, 19 patients who were switched to open resection were excluded.

Advantages of laparoscopic abdominoperineal resection for anastomotic recurrence of rectal cancer.

Background: Surgery offers the only potential for cure and long-term survival of recurrence of rectal cancer. Few studies about laparoscopic recurrent lesion resection have been reported. This study was designed to evaluate the safety and feasibility of laparoscopic abdomino-perineal resection for anastomotic recurrence of rectal cancer.

Impact of interval between neoadjuvant chemoradiotherapy and surgery for rectal cancer on surgical and oncologic outcome.

Background: The aim of this study was to evaluate the effect of a longer interval between long-course neoadjuvant chemoradiotherapy and surgery on surgical and oncologic outcome.

Methods: A total of 233 consecutive patients with clinical stage II and III rectal cancer were divided into 2 groups according to the neoadjuvant-surgery interval: short-interval group (≤ 7 weeks, n = 111), and long-interval group (>7 weeks, n = 122). Data on neoadjuvant-surgery interval, operative time, perioperative complications, final pathology, disease recurrence, and mortality were prospectively collected and analyzed.

Prognostic factors for desmoid tumor: a surgical series of 233 patients at a single institution.

Desmoid tumors are rare soft tissue tumors with limited data on their management and prognosis. We sought to determine the rates of recurrence after surgery for desmoid tumors and analyze factors predictive of recurrence-free survival (RFS). From February 1976 to October 2011, 233 consecutive patients with desmoid tumors who underwent macroscopically complete resection were included in this study.

Intra-operative perforation: a risk factor for prognosis of low rectal cancer after abdominoperineal resection.

This study was designed to explore the influence of intra-operative perforation on prognosis of low rectal cancer after APR and to investigate the risk factors of perforation. Perforation is not scarce during the procedure of abdominoperineal resection (APR). There is no consensus on perforation rate and related risk factor for APR.

Evaluation of short-term outcomes after laparoscopically assisted abdominoperineal resection for low rectal cancer.

Background: To investigate the feasibility, safety and short-term efficacy of laparoscopic techniques applied in the abdominoperineal resection (APR) for low rectal cancer.

Methods: The clinical data of 236 patients with APR from January 2010 to January 2012 were analysed retrospectively, including 100 patients underwent laparoscopically assisted APR (LAAPR group), 136 cases of open APR (OAPR group). The demographics, tumor and procedure-related parameters, perioperative results and short-term oncological outcomes were evaluated using t-test or χ(2) -test.