An 84-year-old man presented with complaints of epigastric discomfort. Upper gastrointestinal series and endoscopy showed an elevated lesion at the posterior wall of greater curvature on the gastric fundus. Diagnosed as moderately differentiated tubular adenocarcinoma by biopsy, wedge resection and 4sa regional lymph node dissection were carried out. The tumor morphology showed type I with slight elevation, 2.5 x 1.7 cm in size; histological showed papillary, tubular, and solid formations having clear cytoplasm and large bizarre nuclei invading the deep submucosal layer (sm2). This case was evaluated as T1(sm) N0 M0 stage Ia early gastric cancer. In the 5th month after operation, multiple liver metastases were detected. He died of liver failure by rapid growth of metastatic tumors in the 6th month after operation. The serum alpha-fetoprotein level at recurrence was 1,900 ng/mL, and alpha-fetoprotein-positive cells were immunohistochemically detected in operative and liver biopsy specimens.
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