New Releases from NCBI BookshelfTrastuzumab deruxtecan for treating HER2-positive unresectable or metastatic gastric or gastro-oesophageal junction cancer after anti-HER2 treatment (terminated appraisal).Trastuzumab deruxtecan for treating HER2-positive unresectable or metastatic gastric or gastro-oesophageal junction cancer after anti-HER2 treatment (terminated appraisal).