正确的胃癌术前分期对选择合理的治疗方案、评价预后具有重要的指导意义,特别是随着经内镜、腹腔镜治疗及术前辅助化疗等新技术的开展,正确的术前分期显得尤为重要。磁共振成像(MRI)尚未广泛应用于胃癌术前分期,主要因为其扫描速度慢,易受胃肠蠕动、呼吸运动等影响,图像伪影多 Correct preoperative staging of gastric cancer is of great guiding significance for choosing a reasonable treatment plan and evaluating the prognosis, especially with the endoscopic, laparoscopic and preoperative adjuvant chemotherapy and other new technologies, the correct preoperative staging is particularly important. Magnetic resonance imaging (MRI) has not been widely used in preoperative staging of gastric cancer, mainly because of its slow scanning speed, susceptibility to gastrointestinal motility, respiratory motion, image artifacts and more