Fig. 1

a Ultrasound-guided inguinal lymph node puncture. A 22-G puncture needle (white arrow) was guided by ultrasound to puncture the inguinal lymph nodes (black star). The circular hypoechoic area on the lower right is the femoral artery (white star). b Intranodal lymphangiography. The 22-G puncture needle (white arrow) punctured the inguinal lymph node (black star). The black arrows show the lymphatic vessel. c Lymphatic leakage embolisation. The white arrow shows the location of the lymphatic leakage. The black arrows indicate the path of the lymphatic vessel