Case examination identifies benign submucosal lesions complicating cancer depth assessment, indicating diagnostic challenges.
Submucosal heterotopic gastric glands (HGGs) are benign lesions characterized by ectopic gastric glands in the submucosal layer and may present as submucosal tumor-like lesions. On endoscopic ultrasonography (EUS), HGGs appear as anechoic or hypoechoic areas within the second to third layers and may complicate depth assessment in the presence of gastric cancer.
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Fujiwara et al. (2026) studied this question.
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