Table 3.

Postoperative treatments and the recurrence rate.

Postoperative Treatment	Recurrence
	No	(%)	Yes	(%)	Total	(%)
Neither CT nor RT	91	89.2%	11	10.8%	102	100.0%
Only CT	23	82.1%	5	17.9%	28	100.0%
Only RT	98	86.0%	16	14.0%	114	100.0%
Both CT and RT	18	78.3%	5	21.7%	23	100.0%
Total	230	86.1%	37	13.9%	267	100.0%

Fisher’s Exact Test: p = 0.440; CT: chemotherapy; RT: radiotherapy.