Impact of TTC Following Neoadjuvant Chemotherapy on the Prognosis of LAGC

Impact of Time to Initiation of Postoperative Adjuvant Chemotherapy Following Neoadjuvant Chemotherapy on the Prognosis of Locally Advanced Gastric Cancer: a Multi-center Study

he present study retrospectively analyzed the clinicopathological data of 524 patients diagnosed with LAGC who underwent D2 radical gastrectomy after NACT between January 2010 and December 2021 at 2 centers. This study was conducted in accordance with the ethical principles outlined in the World Medical Association's Declaration of Helsinki. Informed consent was obtained from all patients and their legal guardians. All procedures were approved by the institutional review board.

This is a retrospective, multicenter study.

Inclusion Criteria:

• (1) Locally advanced gastric cancer with preoperative clinical staging of cT2-4NxM0 before neoadjuvant chemotherapy. (2) No history of other malignant tumors. (3) No evidence of distant metastasis or invasion of adjacent organs. (4) Underwent gastrectomy after receiving neoadjuvant chemotherapy.

Exclusion Criteria:

• (1) History of prior gastrectomy. (2) History of acute cardiovascular diseases (such as cerebral or coronary artery injuries) within the past three months. (3) Emergency surgery. (4) Did not undergo postoperative adjuvant chemotherapy. (5) Lack of specific information regarding chemotherapy regimens. (6) Loss to follow-up.