Web Exclusive Content—Signs in Cardiopulmonary ImagingCheerio SignChou, Shinn-Huey S. MD; Kicska, Gregory MD, PhD; Kanne, Jeffrey P. MD; Pipavath, Sudhakar MDAuthor Information Disclosure: J. Kanne is a consultant for PTC Therapeutics and a consultant for Perceptive Informatics. The remaining authors declare no conflicts of interest. Supplemental Digital Content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Website, www.thoracicimaging.com. Journal of Thoracic Imaging: January 2013 - Volume 28 - Issue 1 - p W4 doi: 10.1097/RTI.0b013e31827944d2 Buy SDC Metrics © 2013 Lippincott Williams & Wilkins, Inc.