Routine defunctioning stoma after chemoradiation and total mesorectal excision: A single-surgeon experience

Table 2 Peri-operative and pathological characteristics (n = 62) n (%)

Variable
Interval between CRT and TME (d) (median, range)	49 (28-101)
Types of surgical procedure
TME + straight coloanal anastomosis with
Double stapling	44 (71.0)
Intersphincteric resection	12 (19.4)
APR	6 (9.7)
DRM (cm) (median, range)	2.5 (2.0-4.5)
Positive CRM	2 (3.2)
Retrieved lymph node number (median, range)	8 (1-20)
Pathologic TNM stage
ypCR	13 (21.0)
ypT0/ypT1/ypT2/ypT3/ypT4	2/5/9/32/1
	(3.2/8.1/14.5/51.6/1.6)
ypN0/ypN1/ypN2	37/8/4
	(59.7/12.9/6.5)
TRG1
1	13 (21.0)
2-3	41 (66.1)
4-5	8 (12.9)

¹Tumor regression grade (TRG): Grade 1, no residual tumor; Grade 2, rare residual cancer; Grade 3, fibrosis outgrowing residual cancer; Grade 4, residual cancer outgrowing fibrosis; Grade 5, absence of regressive change. DRM: Distal resection margin; CRM: Circumferential resection margin; APR: Abdominoperineal resection; TME: Total mesorectal excision.