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Case Report
Copyright: ©Author(s) 2026.
World J Gastrointest Endosc. Apr 16, 2026; 18(4): 117233
Published online Apr 16, 2026. doi: 10.4253/wjge.v18.i4.117233
Table 1 Timeline of case 1
Time
Information about the patient
March 15, 2023Routine health examination
March 27, 2023Received EUS
April 24, 2023Admitted to our hospital
April 24, 2023 to April 25, 2023Received laboratory and imaging examinations
April 26, 2023Underwent endoscopic surgery
April 27, 2023Pathological results confirmed BC
May 2, 2023Discharged from hospital
Table 2 Timeline of case 2
Time
Information about the patient
June 21, 2025Routine health examination
June 28, 2025Received imaging examinations
June 30, 2025Received EUS
July 4, 2025Admitted to our hospital
July 4, 2025 to July 6, 2025Received preoperative laboratory tests
July 7, 2025Underwent endoscopic surgery
July 8, 2025Pathological results confirmed BC
July 14, 2025Discharged from hospital
Table 3 Clinical summary of the two patients
Category
Patient 1
Patient 2
Age/sex32/female36/male
Admission dateApril 2023July 2025
SymptomAsymptomatic, detected during routine examDysphagia for 1 month
Endoscopysubmucosal bulge located approximately 35 cm from the incisors, approximately 3.0 cm × 2.0 cm submucosal bulge located approximately 38 cm from the incisors, approximately 2.0 cm × 2.0 cm
EUSHypoechoic mass from muscularis propria, approximately 2.7 cm × 1.3 cm, with no blood flow signalsHypoechoic mass from muscularis propria, approximately 3.2 cm × 2.3 cm, no vascular signal, intermediate stiffness
CTLow-density mass (approximately 2.8 cm × 2.5 cm) near EGJ, mild enhancementSoft tissue nodule (approximately 3.1 cm × 3.1 cm) near EGJ, mild enhancement, luminal narrowing
Laboratory testsNormalNormal
Past historyNoneNone
Family historyNo relevant family or malignancy historyNo relevant family or malignancy history