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Transanal minimally invasive surgery studies
| Study | Pt numbers (n) | Average distance from Anal Verge (cm) | Positive margins | Local recurrence | Average length of follow-up |
| Atallah et al[70], 2010 | 6 | 9.3 | 0 | N/A | N/A |
| Albert et al[73], 2013 | 50 | 8.1 | 6% | 2 (4%) | N/A |
| Keller et al[74], 2016 | 75 17 (malignant) 58 (benign) | 10 | 5 | ||
| Garcia-Florez et al[106], 2017 | 32 | 5.6 | 1 | 10.3% | 26 mo |
| Van den Eynde et al[105], 2019 | 68 | 6 | 12% | N/A | 30 d |
| Melin et al[107], 2016 | 29 | 6.79 | 3 | 1 | Retrospective study |
