bilateral left-sidedness

bi·lat·er·al left-·sid·ed·ness

a syndrome in which normally unpaired organs develop more symmetrically in mirror image; two spleens, one on each side, are usually present, and cardiovascular anomalies are common.
References in periodicals archive ?
Heterotaxia with polysplenia, also known as left isomerism or bilateral left-sidedness, is characterized by a midline or ambiguous location of the majority of chest and abdominal viscera, multiple spleens, and an absence of some right-sided structures, such as the IVC.

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