Table 2 Comparison of post-treatment histological type between the cases of eCURA B and the cases of eCURA C2 treated with endoscopic submucosal dissection for undifferentiated-type early gastric cancer.

From: Undifferentiated-type predominant mixed-type early gastric cancer is a significant risk factor for requiring additional surgeries after endoscopic submucosal dissection

 

eCURA B (n = 229)

eCURA C2 (n = 48)

P-value

Post-treatment histological type

  

0.0003

   P-UDT

220 (85.3)

38 (14.7)

 

   M-UDT

9 (47.4)

10 (52.6)

 
  1. M-UDT, undifferentiated type predominant mixed type; P-UDT, pure undifferentiated type.
  2. eCURA B was defined in accordance with the Japanese guidelines for intramucosal undifferentiated lesions measuring ≤20 mm in diameter, lesions without ulcerative findings, lesions with negative horizontal margins, lesions with negative vertical margins, and lesions without lymphovascular invasion6. eCURA B is refer to the curability not requiring additional surgeries after endoscopic submucosal dissection (ESD).
  3. eCURA C2 was defined as not applicable to eCURA B in undifferentiated-type cancers. eCURA C2) is refer to the curability requiring additional surgeries after ESD.
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