fig2

Figure 2. Intraoperative photograph during left robotic selective sympathectomy depicting Ribs 2-4 (R2, R3,and R4), the PRE and Post rami, the Trunk, and an ICV. During “selective sympathectomy” preganglionic and postganglionic rami are divided, and the trunk is left intact. PRE: preganglionic; Post: postganglionic; ICV: intercostal vein; Trunk: sympathetic trunk