Table 2.

Surveillance, Epidemiology, and End Results Head and Neck Patterns of Care Treatment by Site and AJCC Stage, 2009 (unweighted n, weighted %)

Site and Treatment	Stage I	Stage II	Stage III	Stage IVA-IVB	Stage IVC	Unknown	Total
Oral Cavity
No. of Patients	99	37	44	91	9	35	315
Surgery with Adjuvant Radiation or Chemoradiation	9%	56%	47%	58%	25%	6%	34%
Surgery Only	87%	41%	31%	15%	8%	57%	48%
Radiation Only	1%	3%	1%	3%	0%	1%	2%
Radiation and Chemotherapy Only	1%	0%	18%	8%	45%	24%	9%
All Other Treatment	0%	0%	1%	8%	0%	1%	3%
No Treatment Received/Unknown	<1%	0%	2%	9%	22%	10%	5%
Oropharynx
No. of Patients	11	16	57	203	19	38	344
Surgery with Adjuvant Radiation or Chemoradiation	17%	42%	40%	18%	5%	3%	23%
Surgery Only	53%	6%	3%	2%	2%	9%	5%
Radiation Only	28%	18%	7%	10%	7%	5%	10%
Radiation and Chemotherapy Only	2%	34%	49%	60%	37%	60%	54%
All Other Treatment	0%	0%	0%	4%	47%	13%	5%
No Treatment Received/Unknown	0%	0%	1%	5%	2%	10%	4%
Larynx
No. of Patients	85	35	46	78	13	20	277
Surgery with Adjuvant Radiation or Chemoradiation	14%	9%	16%	18%	12%	36%	17%
Surgery Only	25%	28%	3%	9%	2%	1%	15%
Radiation Only	51%	29%	11%	8%	10%	36%	30%
Radiation and Chemotherapy Only	6%	11%	69%	47%	50%	5%	28%
All Other Treatment	<1%	0%	0%	8%	14%	15%	3%
No Treatment Received/Unknown	3%	23%	1%	10%	12%	7%	7%
All Other Sites
No. of Patients	10	23	42	72	19	26	192
Surgery with Adjuvant Radiation or Chemoradiation	24%	18%	13%	14%	0%	1%	12%
Surgery Only	28%	9%	0%	15%	3%	1%	8%
Radiation Only	6%	8%	3%	5%	5%	44%	12%
Radiation and Chemotherapy Only	40%	53%	73%	45%	38%	30%	50%
All Other Treatment	0%	3%	1%	10%	18%	2%	6%
No Treatment Received/Unknown	3%	8%	11%	10%	36%	22%	13%