RT Journal T1 An abnormal chest x-ray: An anterior mediastinal mass—correction JF Archives of Surgery JO Archives of Surgery YR 2003 FD January 1 VO 138 IS 1 SP 8 OP 8 DO 10.1001/archsurg.138.1.8 UL http://dx.doi.org/10.1001/archsurg.138.1.8 AB Error in Type of Procedure. In the article titled "An Abnormal Chest x-Ray: An Anterior Mediastinal Mass," published in the October issue of the ARCHIVES (2002;137:1193-1194), on page 1194, the third sentence of the legend for Figure 2 should have read, "The patient underwent a right thoracotomy and the mass was found to be a thymoma."