TABLE 90-4

Table 90-4. Representative Local Control Rates and Survival for Patients with Squamous Cell Carcinoma of Common Head and Neck Sites Treated with Definitive Radiotherapy
Stage by site	Local control (%)	Survival* (%)
Oral cavity
Oral tongue
T1	80-90	75-80
T2	60-85	40-60
T3	30-50	20-30
T4	24-45	10-15
Floor of mouth
T1	75-85	70-85
T2	60-80	50-60
T3	30-50	15-40
T4	5-30	5-20
Oropharynx
Base of tongue
T1	80-95	65-85
T2	60-75	40-55
T3	40-65	15-20
T4	30-50	5-20
Tonsil/tonsillar fossa
T1	75-95	65-85
T2	60-80	55-60
T3	35-70	20-40
T4	20-30	10-15
Soft palate
T1	90-100	90-95
T2	75-85	65-75
T3	60-70	30-40
T4	25-35	10-15
Nasopharynx
T1	70-85	60-75
T2	50-60	50-65
T3	20-45	25-50
T4	15-35	5-30
Hypopharynx
Pyriform sinus
T1	60-70	30-50
T2	40-50	20-45
T3	30-40	15-25
T4	10-25	5-20
Larynx
Supraglottic
T1	80-90	65-90
T2	60-80	50-65
T3	35-70	35-55
T4	30-60	15-40
Glottis
T1	85-95	80-95
T2	65-75	60-85
T3	20-35	35-60
T4	15-30	10-30
Local control is for radiation alone. Survival data include surgical salvage for radiation failures. Overlap in the two sets of figures is due to data coming from different patient series, which are a heterogeneous mix of nodal stages, Kmofsky scores, tumor differentiation.
*Adapted from Laramore.¹⁵⁷