Efficacy and short-term outcomes of preoperative chemoradiotherapy with intermittent oral tegafur-uracil plus leucovorin in Japanese rectal cancer patients: a single center experience retrospective analysis

Table 7 The pathological findings in the CRT group and the non-CRT group

	CRT(n = 31)	non-CRT(n = 31)
Size of tumor(range) [cm]	3.5(0.8-8)	6.0(3-11)
pT(0/1/2/3/4)	2/0/8/20/1	0/0/0/31/0
pN(+/-)	11/20	21/10
Histlogic type(pCR/wel/mod/others)	2/10/17/2	0/27/3/1
TRG (0/1/2/3)	1/13/15/2	N/A
Average number of total resection LN(range)	12(3-33)	12(1-30)
Positive LLNs ratio in LLND case	2(100)	1(100)
Average of distance from anal verge(range)[cm]	4.2(1.5-10)	2(1-5.5)
PM(+/-)	0/31	0/31
DM(+/-)	0/31	0/31
RM(+/-)	0/31	1/30
Adjuvant chemotherapy(%)	13(42)	24(77)

pT pathological tumor stages, pN pathological node stages, pCR pathological complete response, TRG tumor regression grade, LN lymph node, LLNs lateral pelvic lymph nodes, LLND lateral lymph node dissection, PM proximal margin, DM distal margin, RM radial margin N/A not applicable

ISSN: 1477-7819