Abstract
A more differentiated therapy regimen for gastric carcinoma requires more precise preoperative staging. In patients with early gastric cancer (EGC), especially mucosa, endoscopic resection (ER) should be performed to avoid unnecessary surgical procedures. To achieve R0 resection for locally-advanced gastric cancer (AGC), neoadjuvant treatments have been investigated. Clinical staging of gastric cancer has been greatly improved by advance in imaging techniques such as endoscopic ultrasonography (EUS), transabdominal ultrasonography (TAUS), multi-slice spiral CT (MSCT), magnetic resonance imaging (MRI), positron emission tomography (PET), combined PET-CT scans, and laparoscopic staging. This review is to summarize the clinical application and the value of preoperative staging in gastric cancer.
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