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 %) |