Table 2. Failure pattern in the Pre-S CRT and Pre-S RT groups.

Failure pattern	Treatment				P
	Pre-SCRT (n = 104)		Pre-S RT (n = 118)
	n	%	n	%
Primary site	27	25.9	34	28.8	0.635
Regional lymph node	10	9.62	12	10.2	0.890
Distant	15	14.4	29	24.5	0.058

Pre-S RT: preoperative radiotherapy; Pre-S CRT: preoperative concurrent chemoradiotherapy.