Gastric cancer requires optimal imaging for staging and surveillance. This document provides evidence-based recommendations for four scenarios: suspected gastric adenocarcinoma, staging of confirmed disease, posttreatment evaluation, and surveillance. For suspected gastric cancer, CT abdomen/pelvis with contrast and FDG-PET/CT are usually appropriate for initial staging. For confirmed disease staging, these modalities are usually appropriate for evaluating locoregional and distant metastases. Fo…