EFR seems to be an efficacious, safe, and minimally invasive treatment for patients with gastric SMT, which makes it possible to resect deep gastric lesion and provide precise pathological diagnosis of it. With the development of EFR, the indication of endoscopic resection may be expanded.

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Complications arising during and after POEM should be treated quickly and can be resolved by using traditional treatment. POEM can be expected to become the preferred treatment for EA.

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POEM is a highly safe and effective treatment for esophageal achalasia with favorable long-term outcomes.

Circumferential extension and histological depth were reliable risk factors for postoperative stricture.