Stomach cancer echocardiography or ultrasound
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- Endoscopic ultrasonography (EUS) is the most reliable diagnostic technique for evaluating the depth of invasion of primary gastric cancers, although newer CT techniques and MRI may achieve similar results in terms of diagnostic accuracy. [40,47,48]
- The sensitivity and specificity rates were 85 and 90 percent, respectively for ealry gastric cancers and 86 and 90 percent, respectively for advanced cases. 42
- For metastatic involvement of lymph nodes, the summary sensitivity and specificity rates were 83 and 67 percent, respectively.
- EUS cannot be considered optimal for distinguishing positive versus negative lymph node status.