From: Metabolic markers in relation to hypoxia; staining patterns and colocalization of pimonidazole, HIF-1α, CAIX, LDH-5, GLUT-1, MCT1 and MCT4
Characteristics
Number
Tumour site
Larynx
7
Hypopharynx
4
Oropharynx
5
Oral cavity
2
T stage
T2
3
T3
6
T4
9
N stage
N0
N+
12
Histopathological grade
Moderately differentiated
14
Poorly differentiated