Fig. 2From: MRI-detected extramural venous invasion of rectal cancer: Multimodality performance and implications at baseline imagingĀ and after neoadjuvant therapyExtramural venous invasion on histopathology. a The tumor cells (asterisk) are surrounded by a vessel on hematoxylināeosin stain. b Elastin stain is helpful to depict extramural venous invasion (asterisk) by highlighting elastin fiber (arrowheads) around tumor cells. The scale bar is 500Ā ĀµmBack to article page