[Case Report of Long-Term Survival for Stage IV Advanced Sigmoid Colon Cancer with Para-Aortic Nodes by R0 Resection and Chemotherapy].

The patient was a man in his early 30s. He underwent sigmoidectomy with D3+ #216 for advanced sigmoid colon cancer with metastatic para-aortic lymph nodes. The pathological diagnosis was colon cancer(S), type 2, moderately differentiated, pT4a(SE), pN3(19/33), pM1a(LYM), pStage IV , KRAS wild-type, EGFR(+). He received FOLFOX plus bevacizumab(Bmab) as adjuvant chemotherapy. One year postoperatively, he experienced recurrence as multiple lung metastases. FOLFIRI plus panitumumab, SOX plus Bmab, CapeOX, nivolumab and FOLFIRI plus ramucirumab were then administered. The patient has survived for 4 years and 11 months from operation.