Impact of technology on indications and limitations for transanal surgical removal of rectal neoplasms

Table 1 Single center comparison of transanal excision and standard resection for T1 rectal cancer

Ref.	Year	Follow-up (yr)	n		5 yr local recurrence		5 yr overall survival
			TAE	SR	TAE	SR	TAE	SR
Mellgren et al[31]	2000	4.4-4.8	69	30	18%1	01	72%	80%1
Nascimbeni et al[32]	2004	9.2	70	74	6.6%	2.8%	72%1	90%1
Bentrem et al[30]	2005	4.3	151	168	15%1	3%1	89%	93%
Nash et al[33]	2009	5.6	137	145	13.2%1	2.7%1	87%1	96%1

¹Statistically significant. TAE: Transanal excision; SR: Standard resection.