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Table 2 Tumor margin involvement status based on different tumor primary locations and sizes

From: Endoscopic mucosal resection: still a reliable therapeutic option for gastrointestinal neuroendocrine tumors

Tumor margin involvement

Tumor size

 < 1 cm

1–2 cm

Yes (positive margin)

  

Stomach

7

1

Bulb

4

5

Rectum

5

0

No (clear margin)

  

Stomach

4

3

Bulb

1

2

Rectum

1

3

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BMC Gastroenterology

ISSN: 1471-230X

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