The CT-based Delineation of Lymph Node in the Postoperative Radiotherapy for Gastric cancer
The No.1 to 6 lymph nodal CTV Blue line: the gastrical remains Red line: the No.1 to 6 lymph nodal CTV
The No.7 lymph nodal CTV Red line: the No.7 lymph nodal CTV
The No.8 and No.12a lymph nodal CTV Blue line: the common hepatic artery and the proper hepatic artery Red line: the No.8 and No.12a lymph nodal CTV
The No.9 lymph nodal CTV Blue line: the celiac artery; Red line: the No.9 lymph nodal CTV
The No.10 lymph nodal CTV Blue line: the splenic hilum Red line: the No.10 lymph nodal CTV
The No.11 lymph nodal CTV Blue line: the splenic artery Red line: the No.11 lymph nodal CTV
The No.12p lymph nodal CTV Blue line: the portal vein: red line: the No.12p lymph nodal CTV
The No.13 lymph nodal CTV Red line: the No.13 lymph nodal CTV
The No.14v lymph nodal CTV Blue line: the superior mesenteric vein red line: the No.14v lymph nodal CTV
The No.16a2 and 16b1 lymph nodal CTV Blue line: the abdominal aorta Red line: the No.16a2 and 16b1 lymph nodal CTV