Table 2.

Publications of transanal minimal invasive surgery for early rectal cancer including minimum 15 patients with invasive adenocarcinoma in their study (2010-2016)

Ref.	No. of patients (# with cancer)	Distant from AV	Duration of surgery (min)	Length of stay (d)	Complications (%)	Positive margin: Local recurrence (%)
Albert et al[47]	50 (23)	8.1 cm	? NA	0.6	6	6:4
McLemore et al[57]	32 (16)	NA	123	2.5	15	NA
Hahnloser et al[51]	75 (38)	6.4	77	3.4	19	NA
Gill et al[58]	32 (21)	7.5	131	1.1	6	NA
Rega et al[59]	55 (26)	NA	78	NA	4	?9
Keller et al[49]	75 (17)	10	76	1	4	7:1
Quaresima et al[55]	31 (17)	N/A	N/A	3	9.6	3 (3)

NA: Not reported.