Intra-abdominal abscesses usually occur following any intra-abdominal surgery, trauma, Gastrointestinal infection or intestinal perforation. In particular, the diagnosis of sub-phrenic collection can be notoriously difficult. This fact is expressed by well-known aphorism: 'Pus somewhere, pus nowhere else, under diaphragm'. Sub-diaphragmatic form between diaphragm and abdominal organs, such as l...