Use of Endoscopic Ultrasound in the Preoperative Staging of Gastric Cancer: A Multi-Institutional Study of the US Gastric Cancer Collaborative

Less than one-quarter of patients with GAC underwent preoperative EUS staging. In patients who did not receive preoperative chemotherapy, tumor stage on EUS often did not correlate with T stage and N stage on final pathologic analysis. Endoscopic ultrasound should be combined with other staging modalities to optimize staging of patients with GAC.