Colorectal cancer lymph node dissection and disease survival

Figure 1 Proximal transverse colon neoplasia. Gross specimen following surgical resection of right-sided colon neoplasia after methylene blue and formaldehyde processing. A: Intraluminal aspect of the mucosa; B: Parasagittal serial slices with the localized lymph nodes in the mesocolon.

Figure 2 Rectum specimen and isolated lymph nodes. Axial section of the specimen of rectal neoplasia. A: Stained lymph nodes are visualized in the mesorectum; B: Millimetric nodes are located within the fat tissue via blue methylene injection.