Table 5.

Events after treatment.

Event	SBRT (n = 95)	CCRT (n = 66)	p Value
Curative resection	7 (7.4%)	2 (3.0%)	0.311
* Treatment-related toxicity (≥Grade 3)
Acute	3 (3.2%)	5 (7.6%)	0.274
Late	2 (2.1%)	1 (1.5%)	1.000
First site of treatment failure	79 (83.2%)	56 (84.8%)	0.102
Local	12 (12.6%)	17 (25.8%)	-
Distant	55 (57.9%)	31 (47.0%)	-
Both	12 (12.6%)	8 (12.1%)	-

Abbreviations: SBRT, stereotactic body radiotherapy; CCRT, concurrent chemoradiotherapy. * Toxicity was assessed using Common Terminology Criteria for Adverse Events, version 4.0 (https://ctep.cancer.gov/protocoldevelopment/electronic_applications/ctc.htm, accessed on 23 February 2022). Events reported within 90 days after RT were classified as acute toxicities, whereas those occurring after 90 days were considered as late toxicities.