Fig. 3
From: The gastric carcinosarcoma with severe venous invasion: a case report
Macroscopic pathology findings. a, b The tumor cells were mainly found intravenously inside and outside of the stomach wall (black arrowhead) and were not found in the gastric wall stroma. a Hematoxylin-eosin stain, original magnification. b Elastic van Gieson staining, original magnification. c, d These are pictures enlarged with a circle on b. The tumor cells existed in venous (black arrowhead) locations and could be identified among the elastic fibers of veins and nearby arteries (white arrowhead). c Elastic van Gieson staining, original magnification × 50. d Elastic van Gieson staining, original magnification × 100