Publisher's Note

The September 1, 2005, editorial by David M. Dilts, titled, “Practice Variation: The Achilles’ Heel in Quality Cancer Care” (J Clin Oncol 23: 10.1200/JCO.2005.05.034) was published online on August 8, 2005, with an error. In Reference 1, the cited author’s name should have read DiMatteo instead of MiMatteo. This correction has been made to the Reference List and the in-text citation as of August 30, 2005.