Fig. 4

Postmortem pathological findings. A, B Postmortem pathological findings of hematoxylin and eosin staining of the stomach show two gastric cancer lesions in the pyloric region (×40 and ×20, respectively). These two lesions are within the lamina propria (circles). C The magnified cancer lesion shows signet ring cell carcinoma (×200). D Lymphovascular invasion is observed in the subserosa (arrowheads) (×100). E Pathological findings of the lung show tumor emboli (arrowheads), thickened epithelial cells (arrow), fibrin thrombi (stars) of small pulmonary arteries (×100), and F carcinomatous lymphangiomatosis (arrowheads) (×100)