Intratumoral heterogeneity and chemotherapy-induced alteration of CLDN18.2 expression in resectable gastric cancer
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Background: Claudin-18 isoform-2 (CLDN18.2) is a novel biomarker and therapeutic target for gastric cancer (GC). It may exhibit the intratumoral heterogeneity and varying expressions between biopsy and surgically resected specime... ...
