In the American Cancer Society’s TNM classification of colorectal cancer into four stages, with lymphatic metastases presenting in stage III or IV, surgical resection is the surgical treatment for any colon tumor. For patients presenting with lymph node metastases or metastases in situ, the postoperative recurrence rate is high, and the decision to operate and receive chemotherapy is based on the nature and invasiveness of the local lesion.
For patients with colon cancer, surgical resection of tumor lesions is the preferred treatment, but the treatment of colon cancer differs among different stages. 1, for patients with stage I-III colon resection + regional lymph node dissection with postoperative adjuvant chemotherapy; 2, for patients with initially resectable metastatic colon cancer, preoperative neoadjuvant chemotherapy is feasible, followed by resection of primary and metastatic lesions with postoperative adjuvant chemotherapy The patient should be treated with endoscopic stenting or enterostomy in combination with radiotherapy.