"Randomized Phase III Trial Of Dose-Dense Chemotherapy Supportedby Whole-Blood Hematopoietic Progenitors in Better-PrognosisSmall-Cell Lung Cancer" by Lorigan et al. [J Natl Cancer Inst2004;97:66674 (Issue 9)]. On p. 666, right column, line6, the 95% CI should equal 0.36% to 7.04%, and on p. 670, rightcolumn, lines 4 and 5 from the bottom of the column, the textshould read "neutropenic sepsis (11.6 and 15.3%, respectively;difference = 3.7%, 95% CI = 0.36% to 7.04%; P = .03)." On p.668, left column, last line, the text should read "from 19%to 34% by a one-sided test." On p. 670, left column, lines 4and 5, the 95% CI for 14.4 months should equal 12.7 to 16.0.The authors and the Journal regret the errors.