Investigation of Genetic Polymorphisms Related to the Outcome of Radiotherapy for Prostate Cancer Patients

Table 5

RTOG chronic radiation morbidity (toxicity grading)*.

	Skin RTOG	Lower GI tract RTOG	Urinary tract RTOG
	n (%)	n (%)	n (%)
High grade	1 (2.2)	2 (4.4)	10 (22.2)
Low grade	44 (97.8)	43 (95.6)	35 (77.8)

Abbreviations: RTOG: radiation therapy oncology group; GI tract: gastrointestinal tract.
High grade: RTOG ≥2 e Low grade: RTOG <2.
∗For chronic analyses, it was considered patients with followup higher than 24 months.