Using indocyanine green fluorescent imaging to successfully resect metachronous regional lymph node recurrence of rectosigmoid cancer.A 39-year-old female patient underwent anterior resection with locoregional lymph node dissection for rectosigmoid cancer at another hospital. 
indocyanine green fluorescent imaging
Sixteen months after the operation, PET-CT scans revealed regional lymph node metastases around the root of the inferior mesenteric artery. 
PET-CT scans