Gastric Signet-Ring Cell Carcinoma That Presented as an Elevated Lesion due to Fibromuscular Obliteration in the Lamina Propria

Figure 2

Cancer cells seen mainly invading the height of the glandular neck zone, with none in the deep mucosa. There is neither erosion of the surface epithelium nor any signs of tumor cell exposure on the surface. This is a flat-elevated lesion proliferating within the mucosa.