US ONCOLOGY, INC.
10101 Woodloch Forest
The Woodlands, Texas 77380
(281) 863-1000
December 7, 2009
VIA EDGAR
Securities and Exchange Commission
Division of Corporation Finance
100 F Street, NE
Washington, DC 20549
| Attention: | Jennifer Rigel |
| Re: | US Oncology, Inc. |
| Withdrawal of Amendment to Form S-4/A filed December 7, 2009 |
| File No. 333-162514 |
Ladies and Gentlemen:
We hereby request that you remove from the EDGAR System the Amendment to Form S-4/A filed by US Oncology, Inc. (the “Company”) on December 7, 2009. The filing was incorrectly labeled as an Amendment to Form S-4/A. As it is a post-effective amendment to the Company’s Prospectus filed November 4, 2009, it has been resubmitted with heading of POS AM.
Thank you for your assistance with this matter and please contact William Appleyard on 212.596.9715 if you require further information related to this request.
Sincerely,
/s/ B. Scott Aitken
B. Scott Aitken
Associate General Counsel