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Journal ArticleDOI
Hepatodiaphragmatic interposition of the small intestine.
Joseph F. Linsman,Jack I. Chalek +1 more
TL;DR: The presence of gas between the liver and the diaphragm poses the differential diagnosis of pneumoperitoneum from a perforated viscus, subdiaphragmatic abscess, and intestinal hepato-diaphradmatic interposition.