From: Submandibular gland-sparing radiation therapy for locally advanced oropharyngeal squamous cell carcinoma: patterns of failure and xerostomia outcomes
cSMG spared
cSMG not spared
Grade
6 months
12 months
24 months
(n = 62)
(n = 54)
(n = 40)
(n = 32)
(n = 27)
(n = 22)
0
11
12
16
1
5
37
39
23
8
9
2
3
21