Situs ambiguus

Situs ambiguus is a rare congenital defect in which the major visceral organs are distributed abnormally within the chest and abdomen. Heterotaxy in general refers to any defect of left-right laterality and arrangement of the visceral organs. [Source: Wikipedia ]

Heterotaxia syndrome
Situs ambiguous
OrphaNet reference
Situs ambiguus 
May Cause
Abnormal right upper quadrant abdominal gas collection
May Be Caused by
Asplenia syndrome
Cardiac anomalies - heterotaxy
Polysplenia syndrome