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Table 4 Clinical characteristics of margin-positive small rectal NET without recurrence

From: Prognosis of incompletely resected small rectal neuroendocrine tumor using endoscope without additional treatment

  Value
Size (in mm) 5.2 ± 1.7
Depth
within SM 30 (97.4%)
within MP 1 (3.2%)
Mitotic count/10 HPF
 < 2 31 (100%)
Ki-67 index (< 3%)
 < 1% 25 (80.6%)
 ≤ 1– < 2% 5 (16.1%)
 ≥ 2% 1 (3.2%)
Margin positive
Yes 26 (83.9%)
No, but < 100 um 5 (16.1%)
Lymphovascular invasion (yes,%) 4 (12.9%)
  1. NET neuroendocrine tumor, SM submucosal, MP muscular propria, HPF high power field