To observe the imaging result of endoscopic submucosal injection of indocyanine green before laparoscopic radical resection for colorectal cancer, and analyze the relevant factors, so as to guide the submucosal injection of preoperative indocyanine green better.
This study is prospective and observational. In order to analyze the related factors that affect the imaging effect, we enrolled patients who were to undergo indocyanine green fluorescence imaging for laparoscopic radical resection for colorectal cancer.
