Fig. 2From: 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 three-dimensional image clearly demonstrates the right top pulmonary vein (yellow arrowhead) crossing behind the right main bronchus (RMB). RIB, right intermediate bronchus; LMB, left main bronchus; LA, left atrium; RSPV, right superior pulmonary vein; RIPV, right inferior pulmonary veinBack to article page