TABLE 2.

Distribution of Patients Treated at NCI-Designated Centers and Other Institutions for Each Guideline Measure

Cancer	Measure	Total Patient (n)	No. NCI-Designated Centers	Other Institutions	Percentage of Patients Treated in NCI-Designated Centers
Breast	Lymph node evaluation	34,827	25	1263	3.4%
	Axillary dissection	11,144	24	987	3.5%
	Chemotherapy	1395	20	520	5.2%
	Radiation therapy	6590	21	801	5.1%
	PMRT	4014	24	790	3.8%
Colon	Lymph node evaluation	31,504	26	1148	2.5%
	Chemotherapy	6112	24	866	2.8%
Rectal	Radiation therapy	1983	25	568	5.9%
Gastric	Lymph node evaluation	3041	24	588	8.3%
Thyroid	Total thyroidectomy	1357	23	453	8.8%
	Central neck dissection	366	15	203	12.8%

PMRT–indicates postmastectomy radiation therapy.