title: Perforation of a hollow viscus without evidence of free gas.
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D005740:Gases; D006801:Humans; D007416:Intestinal Perforation / Q000000981:diagnostic imaging*; D007579:Jejunal Diseases / Q000000981:diagnostic imaging*; D007583:Jejunum / Q000293:injuries*; D008297:Male; D011859:Radiography
chemical_list: D005740:Gases