Transanal total mesorectal excision: A valid option for rectal cancer?

Table 2 Transanal total mesorectal excision and pathological outcomes (case series with n≥ 5)

Ref.	TME quality	Positive CRM	Distal margins	LN
Marks et al[25]	NA	6.3%	1.9 cm	11.4
Tuech et al[22]	84% intact and 16% nearly intact	5.4%	1 cm	12
Han et al[39]	NA	0%	2.43	12.9
Rouanet et al[21]	100% good	13.3%	0.9 cm	13
Muratore et al[20]	88.5% complete	0%	1.9 cm	10
Atallah et al[17]	89.5% complete or nearly complete	5%	5% positive	22.5
Buchs et al[44]	94.1% intact and 5.9% nearly intact	5.9%	2.14 cm	23.2
De Lacy et al[18]	100% satisfactory	0%	2.6 cm	15.9
Chouillard et al[29]	100% intact	0%	3.6 cm	21
Wolthuis et al[43]	NA	NA	NA	NA
Knol et al[40]	90% intact	0%	1.94 cm	10.5
Velthuis et al[42]	100% intact	0%	0 positive	12
Sylla et al[41]	100% intact	0%	0 positive	33

TME: Total mesorectal excision; CRM: Circumferential resection margins; LN: Lymph nodes; NA: Not available.