Gastric teratoma in infants.
D003949:Diagnostic Techniques, Surgical; D005743:Gastrectomy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006396:Hematemesis / Q000209:etiology; D006801:Humans; D007223:Infant; D008297:Male; D008551:Melena / Q000209:etiology; D011859:Radiography; D013274:Stomach Neoplasms / Q000150:complications / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000473:pathology / Q000601:surgery; D013724:Teratoma / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000473:pathology / Q000601:surgery