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Table 1 The tumour characteristics of the patients in the ESD and radical operation groups

From: A comparison of endoscopic submucosal dissection (ESD) and radical surgery for early gastric cancer: a retrospective study

  ESD group Radical operation group P
n 29 59  
Location of the tumour (%)
 Posterior wall 6 (20.7) 11 (18.6) NS
 Anterior wall 7 (24.1) 19 (32.2) NS
 Lesser curvature 9 (31.1) 16 (27.1) NS
 Greater curvature 7 (24.1) 13 (22) NS
Gross type of the tumour (%)
 Superficial depressed type 17 (58.6) 33 (55.9) NS
 Superficial elevated type 12 (41.4) 26 (44.1) NS