Early gastric cancer.
D001706:Biopsy; D002278:Carcinoma in Situ / Q000473:pathology; D003937:Diagnosis, Differential; D005743:Gastrectomy; D005753:Gastric Mucosa / Q000473:pathology; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D007422:Intestines / Q000473:pathology; D008207:Lymphatic Metastasis; D008679:Metaplasia; D011230:Precancerous Conditions / Q000473:pathology; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D009626:Terminology as Topic