Simultaneous Integrated Boost Volumetric Modulated Arc Therapy for Rectal Cancer: Long-Term Results after Protocol-Based Treatment

Table 2

Treatment characteristics.

Characteristics		(%)
Total preop RT dose
	52.5 Gy	20 (100)
Concurrent chemotherapy
	Xeloda	18 (90)
	5-fluorouracil/leucovorin	2 (10)
Preop CRT duration (days)
Mean ± SD	35.3 ± 1.7
Preop CRT-OP interval (months)
Mean ± SD	2.3 ± 0.5
OP title
	Lap LAR	12 (60)
	Lap uLAR	4 (20)
	APR	3 (15)
	Total proctocolectomy	1 (5)

RT: radiation therapy; CRT: chemoradiation; OP: operation; LAR: low anterior resection; uLAR: ultra-low anterior resection; APR: abdominoperineal resection.