Submucosal Pressure Ejection Endoscopic Dissection for Early Gastric Cancer: a Retrospective Cohort Study

Inclusion Criteria

• •1. age ≥ 18 years;
• •2. histologically proven early gastric adenocarcinoma;
• •3. meeting the absolute or expanded indication for ESD according to the Japanese gastric cancer treatment guidelines 2021 ;
• •4. Eastern Cooperative Oncology Group performance status ≤ 2;
• •5. adequate hematological function (hemoglobin ≥ 9 g/dL, platelets ≥ 50 000/mm3#international normalized ratio#1.5);
• •6. sufficient renal function (serum creatinine ≤ 2.0 mg/dL); and (7) adequate hepatic function (serum aspartate aminotransferase ≤ 100 IU/ L, serum alanine aminotransferase ≤ 100 IU/L).