[RETROGRADE, DUODENO-GASTRAL TUMOR INVAGINATION].
D004386:Duodenum; D005773:Gastroscopy; D005853:Geriatrics; D006391:Hemangioma; D007443:Intussusception; D009369:Neoplasms; D009442:Neurilemmoma; D013274:Stomach Neoplasms
DUODENUM; GASTROSCOPY; GERIATRICS; HEMANGIOMA; INTUSSUSCEPTION; NEURILEMMOMA; STOMACH NEOPLASMS
RETROGRADE, DUODENO-GASTRALE TUMORINVAGINATION.