Local excision of early rectal cancer: A multi-centre experience of transanal endoscopic microsurgery from the United Kingdom

Table 1 Patients, tumour and operative characteristics, n (%)

Characteristics
Number of cases	222
Age (median)/years	71 (41-90)
Gender
Male	144 (64.9)
Female	78 (35.1)
Distance from AV (median)/cm	4.5 (0.5-30)
Tumor size (median)/mm	26 (1-140)
Preoperative pathology
Adenocarcinoma	201 (90.5)
Post RT cCR	3 (1.35)
Adenoma	16 (7.2)
Local recurrence	1 (0.45)
Carcinoid	1 (0.45)
Patient position
Lithotomy	72 (32.3)
Left lateral	47 (21.1)
Right lateral	31 (13.8)
Lloyd-Davies	8 (3.6)
Prone	9 (4)
Missing data	55 (24.7)
R0	171 (76.7)
Blood loss in ml (mode)	0 (0-100)
Operative time (mean)/minutes	90 (36-280)
Hospital-stay in days (median)/days	1 (0-133)
Salvage TME	42 (19.8)

AV: Anal verge; RT: Radiotherapy; cCR: Complete clinical response; TME: Total mesorectal excision.