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. 2024 Jul 25;12(7):E905–E913. doi: 10.1055/a-2337-3865

Table 2 Resection and pathological outcomes.

Characteristic 503 patients (515 lesions)
Primary outcome

  • En-bloc resection

 422 (81.9%)

  • R0 resection

 367 (71.1%)

  • Curative resection

 353 (68.4%)
Procedure time in minutes (median) 82 ± 49.8 minutes
Resection speed (overall) 6.9 ± 7.2 cm 2 /hr  
Pathological assessment

  • Malignant lesions

 125 (24.2%)

  • Premalignant lesions

 360 (69.9%)

  • Neuroendocrine tumors

 30 (5.8%)
Submucosal invasion 28 (5.4%)
Lymphovascular invasion 27 (5.2%)
Specimen size (cm)

  • Specimen size length

 3.3 cm

  • Specimen size width

 2.5 cm
Adverse events – intraprocedure

  • Perforation

 2 (0.4%)
Adverse events – post-procedure

  • Delayed perforation

 6 (1%)

  • Delayed bleeding

 7 (1.3%)

  • Stenosis

 3 (0.5%)
AGREE classification N = 18

  • I

 1 (5.5%)

  • IIIa

 15 (83.5%)

  • IIIb

 1 (5.5%)

  • V

 1 (5.5%)
Additional surgery after non-curative resection 26 (5%)