title: Opacification of retrosternal lymph nodes following barium peritonitis. Report of two cases.
mesh_terms: D001466:Barium Sulfate / Q000009:adverse effects*; D003108:Colonic Diseases / Q000150:complications; D004733:Enema / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000000981:diagnostic imaging; D007416:Intestinal Perforation / Q000150:complications / Q000209:etiology; D008198:Lymph Nodes / Q000000981:diagnostic imaging*; D010538:Peritonitis / Q000139:chemically induced / Q000150:complications / Q000000981:diagnostic imaging*; D011859:Radiography; D013249:Sternum
chemical_list: D001466:Barium Sulfate