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Table 2 Causes of radical resection after colonoscopic polypectomy

From: Tumor budding as a risk factor of lymph node metastasis in submucosal invasive T1 colorectal carcinoma: a retrospective study

Causes

N (=22)

Involved or closed resection margin

10 (45.5 %)

Patient wanted (Sm1 or Sm2)

4 (18.2 %)

No identification of tumor depth, lymphovascular invasion, or resection margin

3 (13.7 %)

Lymphatic invasion (+)

2 (9.1 %)

No lifting of tumor at trial for polypectomy

1 (4.5 %)

Piecemeal resection

1 (4.5 %)

Sessile polyp c rectal invasive carcinoma

1 (4.5 %)