Table 2. Postoperative complications according to patients' factors.

Factor	No. of patients	Major Local Complications	p -Value
Age (year)			NS
<60	23	6
≧60	25	8
Previous treatment			NS
No	18	2
Yes	30	12
Radiotherapy			p  = 0.03
None	26	3
RT, CRT or, particle radiotherapy	22	11	–

Abbreviations: CRT, chemoradiotherapy; RT, radiotherapy.