a) Longitudinal incision in the right pulmonary artery, exposed between the superior vena cava and aorta. b) Developing the endarterectomy dissection plane in the left pulmonary artery. c) Removing the occluded endarterectomy “tails” from the left upper lob... a) Longitudinal incision in the right pulmonary artery, exposed between the superior vena cava and aorta. b) Developing the endarterectomy dissection plane in the left pulmonary artery. c) Removing the occluded endarterectomy “tails” from the left upper lobe segmental vessels. David Jenkins Eur Respir Rev 2015;24:263-271 ©2015 by European Respiratory Society