This study aims to investigate the pathological characteristics and surgical outcomes of stage III CRC patients detected through screening.

Data extracted from the database included the following patient information: age at diagnosis, gender, tumor location, neoadjuvant therapy, surgical procedures, histologic type, differentiation, vascular invasion, perineural invasion, pathological T stage, pathological N stage, and survival outcomes.

Inclusion Criteria:

• Patients who underwent radical surgery for CRC, had confirmed stage III CRC through postoperative pathology, had no prior history of cancer before surgery, and had clear cancer detection information.

patients who underwent surgical intervention for CRC at Fudan University Shanghai Cancer Center.