The endoscopic diagnosis of early gastric cancer.
D000230:Adenocarcinoma / Q000175:diagnosis* / Q000473:pathology; D001706:Biopsy; D003581:Cytodiagnosis; D005753:Gastric Mucosa / Q000473:pathology*; D005773:Gastroscopy; D006801:Humans; D013270:Stomach / Q000473:pathology*; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000473:pathology