Fig. 1From: Effect of preoperative injection of carbon nanoparticle suspension on the outcomes of selected patients with mid-low rectal cancerGross specimen of rectal cancer removed under laparoscopy after injection of carbon nanoparticle suspension. The left shows the stained periphery which should be protected from damage during the operative procedures; the right shows the stained lymph node. The blue arrow indicates the interface of the resection; the yellow arrow indicates the dyed lymph nodeBack to article page