Introduction: Progressive lower rectal cancer with metastasis to the lateral lymph nodes has poor prognosis, requiring systemic chemotherapy. In addition, because laparoscopic lateral lymph node dissection(LLND)in positive cases of metastasis to the lateral lymph nodes is difficult, it has not been commonly used. Here, we report the treatment results of neoadjuvant chemotherapy(NAC)and subsequent laparoscopic total mesorectal excision(TME)plus LLND in cases of lower rectal cancer with metastasis to the lateral lymph nodes.
Subjects And Methods: The subjects were 4 patients with metastasis to the lateral lymph nodes who underwent LLND after NAC. The surgical outcomes were investigated retrospectively.
Results: The mean surgical time was 398 minutes, and the mean bleeding amount was 150 g. In total, 33.5 lymph nodes were dissected, including 15.3 lateral lymph nodes. There was no switch to laparotomy, and no postoperative complications of Grade Ⅲ or higher according to the Clavien-Dindo classification were observed.
Conclusion: Laparoscopic TME plus LLND after NAC is considered safe and useful as radical surgery for positive cases of metastasis to the lymph nodes.
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