To explore the short-term and long-term outcomes of fluorescence laparoscopic navigation D2 lymph node dissection for colorectal cancer surgery by comparing it with D3 lymph node dissection.
Participants are aged 18-75;
Colonoscopy biopsy confirms colorectal adenocarcinoma;
Colonoscopy shows that the lower edge of the tumor is located more than 10 cm from the margin or the tumor is located in the upper rectum and sigmoid colon by imaging diagnosis;
The tumor is staged cT1-4aNxM0 by preoperative imaging;
Previous history of malignant colorectal tumor;
Multiple primary colorectal tumors;
Preoperative imaging reveals suspicious positive lymph nodes in the submesenteric artery root region (area 253);
Patients undergoing neoadjuvant therapy before surgery;
Parallel
lymph node dissection
Procedure/SurgeryThe extent of lymph node dissection varies between groups
Disease-free survival
Disease-free survival is defined as the time from the surgery to disease recurrence or last follow-up, which was measured in months.
Overall survival
Overall survival is defined as the time from the surgery to death or last follow-up, regardless of disease recurrence, which was measured in months.
The number of lymph node resection
The number of lymph nodes removed during surgery, which is obtained by postoperative pathological results
Blood loss
Blood loss is defined as intraoperative blood loss and measured in milliliters(ml).
Complications
Complications are defined as all surgery-related adverse events postoperatively, such as anastomotic leak, infection, which are measured in frequency.
Hospital stay after surgery
Hospital stay after surgery is defined as the length of time from the end of surgery
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Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Lead sponsor
Fudan University
Collaborator
Fujian Province Tumor Hospital
Collaborator
Guangdong Provincial People's Hospital
Collaborator
Shengjing Hospital
Collaborator
Affiliated Hospital of Qinghai University
Collaborator
Hebei Medical University Fourth Hospital
Collaborator
The Second Affiliated Hospital of Harbin Medical University
Collaborator
Jiangxi Provincial Cancer Hospital
Collaborator
The First Hospital of Jilin University
Collaborator
Guangdong Provincial Hospital of Traditional Chinese Medicine
Collaborator
Shanxi Province Cancer Hospital
Collaborator
Nanfang Hospital, Southern Medical University
Collaborator
Second People's Hospital of Yunnan Province
Collaborator
Binzhou Medical University
Collaborator
The First Affiliated Hospital of University of Science and Technology of China
Collaborator
First Affiliated Hospital of Chengdu Medical College
Collaborator
The Second People's Hospital of Yibin
Collaborator
The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
Collaborator
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