Cadonilimab alone as neoadjuvant immunotherapy followed by radical resection for dMMR/MSI-H gastric adenocarcinoma: a case report
Gastric adenocarcinoma characterized by deficient mismatch repair (dMMR)/high microsatellite instability (MSI-H) represents a distinct subtype with high tumor immunogenicity and inherent sensitivity to immune checkpoint inhibitors. While neoadjuvant dual immunotherapy or chemoimmunotherapy has demonstrated high patholo...