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We did not observe that preoperative CRT increased the risk of postoperative AL after LAR in patients with rectal cancer, using propensity score matching analysis.

To reduce stent-related late complications, primary colectomy after successful endoscopic stenting could be a therapeutic option in patients who have unresectable colorectal cancer with obstruction, especially in those who expect long-term survival.

Purpose: By integrating intraoperative near infrared fluorescence imaging into a robotic system, surgeons can identify the vascular anatomy in real-time with the technical advantages of robotics that is useful for meticulous lymphovascular dissection. Herein, we report our initial experience of robotic low ligation of the inferiormesenteric artery (IMA) with real-time identification of the vascular system for rectal cancer using the Firefly technique. Materials and Methods: The study group inclu

Purpose: Our aim to assess clinical significance of the relation between inferior mesenteric vein ligation and collateral blood supply (meandering mesenteric artery)to the splenic flexure with elaboration more in anatomical landmarks and technical tips. Materials and Methods: We review the literature regarding the significance of the collateral vessels around inferior mesenteric vein (IMV) root and provide our prospective operative findings, anatomical landmarks and technical tips. We analyzed t

Patients with mesorectal invasion of greater than 5 mm and sacral-side involvement identified on MRI were at an increased risk of local recurrence. The detection of these features on MRI provides prognostic information that is not available in conventional risk classification systems. Improved identification of a high-risk subset of upper rectal cancer patients may guide indications for preoperative chemoradiotherapy in this subset.

Purpose: Laparoscopic resection for transverse colon cancer is a technically challenging procedure that has been excluded from various large randomized controlled trials of which the long-term outcomes still need to be verified. The purpose of this study was to evaluate long-term oncologic outcomes for transverse colon cancer patients undergoing laparoscopic colectomy (LAC) or open colectomy (OC). Methods: This retrospective review included patients with transverse colon cancer who received a co

Among women with intestinal endometriosis, the sigmoid colon and rectum are the most commonly involved areas. Sometimes, the differential diagnosis of colorectal endometriosis from carcinoma of the colon and rectum is difficult due to similar colonoscopic and radiologic findings. From October 2002 to September 2007, we performed five operations with curative intent for rectal and sigmoid colon cancer that revealed intestinal endometriosis. Colonoscopic and radiologic findings were suggestive of

BACKGROUND: This study aimed to assess the learning curve in laparoscopic right hemicolectomy and compare the long-term oncologic outcomes of the learning curve period. MATERIALS AND METHODS: We retrospectively reviewed 97 patients who underwent a laparoscopic right hemicolectomy by a single surgeon between July 2006 and January 2009. Among them, 87 patients, excluding patients with stage IV (n=10) disease, were evaluated for long-term oncologic outcomes. They were divided into 2 phases: phase 1

Purpose: Circumferential resection margin (CRM) involvement is a well-known predictor for poor prognosis in rectal cancer. However, the significance is controversial in some studies. Accordingly, this study attempted to examine the prognostic impact of CRM involvement in stage III rectal cancer. Materials and Methods:Between January 1990 and December 2007, a total of 449 patients who underwent curative resection followed by complete adjuvant chemoradiotherapy for stage III rectal cancer located