Table 4. Sites of failure by treatment group.

	Local [%]	Distant [%]	Both [%]	Neither [%]
Sites of initial failure
C	13 [20]	23 [35]	9 [14]	20 [30]
CRT	4 [17]	12 [52]	0 [0]	7 [30]
CCRT	7 [26]	13 [48]	2 [7]	5 [19]
Sites of any failure
C	26 [40]	36 [55]	17 [26]
CRT	6 [26]	13 [57]	3 [13]
CCRT	11 [41]	18 [67]	7 [26]

C, Chemotherapy; CRT, Chemoradiation therapy; CCRT, Chemotherapy followed by chemoradiation therapy