Unusual meandering right upper lobe pulmonary vein draining into right middle lobe pulmonary vein: a case report.

ABSTRACT

Meandering right pulmonary vein is a rare vascular anomaly that requires accurate diagnosis to avoid unnecessary procedures and unintended vascular injury during operation. We describe an unusual meandering right upper lobe pulmonary vein draining into the left atrium via the right middle lobe pulmonary vein.