Hereditary diffuse gastric cancer with carcinogenesis from ectopic gastric mucosa in the duodenum
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A 43-year-old man with a family history of gastric cancer had undergone endoscopic submucosal dissection (ESD) for a signet-ring cell carcinoma (SRCC) lesion. Five years later, a recurrent SRCC lesion was treated with a second ESD. Two months later, multiple r... ...
