Liquid Biopsy in Monitoring the Neoadjuvant Chemotherapy and Operation in Gastric Cancer

Conditions

• Gastric Cancer
• Gastro-oesophageal Junction Cancer

Interventions

• DRUG: Neoadjuvant chemotherapy with PSOX regimen.
• OTHER: Detect the imaging data and levels of CTC, ctDNA, cfDNA, CEA, CA19-9, CA72-4 in plasma.
• OTHER: Detect the tumor related DNA in pathological tissues after operation.
• OTHER: Follow-up of DFS and OS in patients with gastric cancer after operation.

Sponsor

Affiliated Hospital of Qinghai University