Aberrant right subclavian artery: A life-threatening anomaly that should be considered during esophagectomy

Aberrant right subclavian artery (ARSA) is a rare anomaly,
in which the right subclavian artery arises directly from the
aortic arch instead of originating from the brachiocephalic
artery. This anomaly should be taken into consideration
during surgical procedures around esophagus, such as
esophagectomy. Any unintentional injury of this artery during
surgical procedures could be extremely life threatening.
A 56‑year‑old woman presented with dysphagia, with
concurrent aberrant subclavian artery and esophageal
cancer. The transhiatal esophagectomy was performed
successfully since the anomaly was preoperatively
diagnosed using computed tomography scan. The presence
of ARSA during esophagectomy may be challenging, but if
diagnosed preoperatively, the precise and diligent dissection
of the retroesophageal space during esophagectomy, may
prevent any injury to the aberrant artery and consequent
complications