Fig. 1From: Application of nano-carbon and titanium clip combined labeling in robot-assisted laparoscopic transverse colon cancer surgeryNano-carbon and titanium clip combination labeling methods under colonoscopy. a Injection 1 ml of physiological saline into the submucosa layer to form a suitable submucosal apophysis. b Injection of 0.1 ml nanocarbon into the submucosal apophysis. c Titanium clip placementBack to article page