Claudin 18.2 Expression Concordance in Paired Cytology and Surgical Specimens of Gastric and Gastroesophageal Junction Adenocarcinomas
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Context.—: Claudin 18.2 (CLDN18.2) is a clinically actionable target in gastric and gastroesophageal junction adenocarcinomas, with patient selection guided by CLDN18.2 immunohistochemistry assay. While surgical specimens are st... ...