Endoscopical study of gastric mucosa: ulcerative lesion.
D002277:Carcinoma / Q000175:diagnosis; D003937:Diagnosis, Differential; D005753:Gastric Mucosa / Q000473:pathology*; D005756:Gastritis / Q000175:diagnosis; D005773:Gastroscopy; D006801:Humans; D013274:Stomach Neoplasms / Q000175:diagnosis; D013276:Stomach Ulcer / Q000175:diagnosis