During the 27 years between 1966 to 1993, a total of 3,256 patients with gastric cancer were admitted to our institute. Among these patients, 3 (0.1%) cases of gastric cancer were associated with pregnancy. One cancer stage IVb patient died of peritoneal metastasis without any operation. Another stage IVb patient died of peritoneal metastasis 12 months after palliative gastrectomy. And the other stage IIIb patient is well, and the 8 years old child is also well, after synchronous extended total gastrectomy with cesarean section.