TPS260Background: Five-year survival with advanced G/GEJ is poor, and limited biomarkers exist to inform optimal treatment selection. Pembrolizumab, an anti–programmed death-1 receptor (PD-1) antib... Click to show full abstract
TPS260Background: Five-year survival with advanced G/GEJ is poor, and limited biomarkers exist to inform optimal treatment selection. Pembrolizumab, an anti–programmed death-1 receptor (PD-1) antib...
               
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