From: Frequency and accuracy of intraoperative bone margin sampling for T4a cancers of the head and neck at the QEII Health Sciences Centre: a retrospective chart review
Negative bone margins
Positive bone margins
Radiation alone
38 (61.3)
5 (100)
Chemotherapy alone
0
Chemoradiation
13 (21.0)
No adjuvant therapy
10 (16.1)
No data
1 (1.6)