Fig. 1From: Right top pulmonary vein is a venous anomaly of which surgeons should be aware in subcarinal dissection for thoracoscopic esophagectomy: a case report and literature reviewa Preoperative contrast-enhanced computed tomography showing the right top pulmonary vein dorsal to the right main bronchus (yellow arrowhead). b This abnormal vessel merges with the left atrium (yellow arrowhead)Back to article page