title: [Determination of the depth of cancerous involvement in early stomach cancer by ultrasonic endoscopy].
mesh_terms: D020699:Gastroscopes; D006801:Humans; D009361:Neoplasm Invasiveness; D009367:Neoplasm Staging; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000473:pathology; D014463:Ultrasonography