Exhibit 3.38(a)

State of Delaware

Secretary of State

Division of Corporations

Delivered 02:48 PM 03/23/2005

FILED 02:32. PM 03/23/2005

SRV 050239721 – 3944406 FILE

CERTIFICATE OF LIMITED PARTNERSHIP

OF

US Oncology Specialty, LP

The undersigned, desiring to form a limited partnership pursuant to the Delaware Revised Uniform Limited Partnership Act, 6 Delaware Code, Chapter 17, do hereby certify as follows:

I. The name of the limited partnership is US Oncology Specialty, L.P.

II. The address of the Partnership’s registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, Washington, New Castle County, Delaware, 19801. The name of the Partnership’s registered agent for service of process in the State of Delaware at such address is The Corporation Trust Company.

III. The name and mailing address of each general partner is as follows:

Name	Address	Percent Interest
US Oncology Corporate, Inc.	16825 Northchase Drive, Suite 1300 Houston, TX 77060	1% General Partner
AORT Holding Company, Inc.	16825 Northchase Drive, Suite 1300 Houston, TX 77060	99% Limited Partner

IN WITNESS WHEREOF, the undersigned have executed this Certificate of Limited Partnership on this 23^rd day of March, 2005.

By:
	Bruce D. Broussard, Vice President
	US Oncology Corporate, Inc., General Partner

By:
	Bruce D. Broussard, Vice President
	AORT Holding Company, Inc., Limited Partner

DE076-01/14/2005 C T System Online