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We report seven early gastric cancers in five patients, which arose in the reconstructed gastric tube after radical resection for esophageal cancer. Four of them occurred in the middle gastric tube and three in the distal gastric tube. Three of 5 cases were reconstructed via the retromediastinal route and two via the presternal route. They all were diagnosed by follow-up endoscopy from 8 months to 5 years after esophagectomy. All of them were treated surgically with partial resection of the gastric tube because they were suspected to have invaded the submucosal layer or large enough to be treated with endoscopic mucosal resection (EMR). Histologically, six of seven were diagnosed as well differentiated adenocarcinoma and one as signet ring cell carcinoma. Although one of them died for reasons other than cancer itself, the others are alive and well without any recurrence. Recently, gastric tube cancer after esophagectomy has been increasingly reported to be accompanied with prolongation of survival of esophageal cancer patients. Total or partial gastrectomy is proposed for surgical treatment of gastric tube cancer, but the operating procedure is complicated and invasive, especially in the case of gastric tube reconstructed via the retromediastinal route. Total gastrectomy is much more invasive because it needs re-reconstruction with other organs. Therefore, it is important to detect the lesion in early stages so as to treat it with minimally invasive surgery such as EMR or partial resection. Hence intensive follow up with endoscopy is necessary after resection of esophageal cancer.

Five Cases of Early Gastric Cancer in the Reconstructed Gastric Tube after Radical Resection for Esophageal Cancer