Endoscopic techniques in the diagnosis of gastric adenocarcinoma.
D000230:Adenocarcinoma / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D005773:Gastroscopy / Q000379:methods*; D006801:Humans; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000473:pathology; D013276:Stomach Ulcer / Q000175:diagnosis