Brachial plexus paralysis after thoracoscopic esophagectomy for esophageal cancer in the prone position: A thought-provoking case report of an unexpected complication

•This is the first case of brachial plexus injury during thoracoscopic esophagectomy in the prone position.•This paralysis is due to excessive abduction and external rotation associated with the intraoperative position.•To avoid intraoperative brachial plexus injury in the prone position, thoughtful orientation of the head and right arm in a less loaded position is important.