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Three main types branching of the left colic artery from IMA are observed: A – the left colic artery originates from IMA as an independent single branch (type 1), B – left colic artery and sigmoid artery emerge as a common branch (type 2), C – left colic artery, sigmoid artery (SA) and superior rectal artery (SRA) simultaneously originate from the IMA
AA – abdominal aorta, LCA – left colic artery, IMA – inferior mesenteric artery, SA – sigmoid artery, SRA – superior rectal artery.
