Representative H&E staining images for histopathologic assessment of gastric tumors.

<p>(A) A moderately differentiated intestinal type adenocarcinoma. Note the glandular pattern of neoplastic growth, tumor cells with scant cytoplasm and conspicuous nucleoli, and the fibrous tissue associated with lymphocytic infiltrate between glands. (B) An adenocarcinoma of diffuse type. Note single cells with signet ring features infiltrating the gastric wall. (images are at 40× magnification).