Characteristics of intramural metastasis in gastric cancer

Intramural metastasis (IM) in gastric cancer is rare. However, it often occurs with esophageal squamous cell carcinoma and has been reported to have a poor prognosis. In 4,714 cases of gastric cancer that underwent gastrectomy, the clinicopathological features and postoperative prognoses of 29 cases with IM were evaluated and compared with 2,770 cases of advanced gastric cancer without IM. Of the 4,714 cases, 29 (0.6 %) were histopathologically...