What is the likely cause of this radiographic abnormality?

Matthew A. Wert, Surgical Resident, Orthopedic Surgery, Kingsbrook Jewish Medical Center, Brooklyn, NY, St. Vincent's Hospital, New York, NY; Umut Sarpel, Surgical Oncology Fellow, Department of Surgery, The Mount Sinai Medical Center, New York, NY; Celia M. Divino, Chief, Division of General Surgery, Department of Surgery, The Mount Sinai Medical Center, New York, NY

David A. Edelman, Surgical Resident; Choichi Sugawa, Professor of Surgery; Hiromi Ono, Endoscopy Fellow; James Tyburski, Associate Professor and Residency Program Director, Department of Surgery, Wayne State University, Detroit, MI

AE Agaba, Surgical Resident, Department of Surgery, Long Island Jewish Medical Center, New Hyde Park, NY; D Appleyard, Surgical Resident, Department of Surgery, Walsgrave General Hospital, Coventry, United Kingdom; V Sasthakonar, Surgical Resident, Department of Surgery, Long Island Jewish Medical Center, New Hyde Park, NY; PO Agaba, Surgical Resident, Department of Surgery, Walsgrave General Hospital, Coventry, United Kingdom; K Hardiment, Surgical Resident, Department of Surgery, Walsgrave General Hospital, Coventry, United Kingdom; G Pavlou, Surgical Resident, Department of Surgery, Walsgrave General Hospital, Coventry, United Kingdom; LS Wong, Attending Colorectal Surgeon, Department of Surgery, Walsgrave General Hospital, Coventry, United Kingdom

Elisabeth Garwood, PACCTR Visiting Fellow, Department of Surgery, University of California San Francisco, San Francisco, CA, Pennsylvania State University College of Medicine, Hershey, PA; Anjali Kumar, Chief Resident, General Surgery, University of California San Francisco?East Bay, San Francisco, CA; Gregory Moes, Attending, Department of Pathology, Kaiser Permanente Oakland Medical Center, Oakland, CA; Jonathan Svahn, Attending, Department of Surgery, Kaiser Permanente Oakland Medical Center, Oakland, CA

Sari H. Green, Resident, Surgical Education, Los Angeles County Harbor UCLA Medical Center, Torrance, CA; Kenneth S. Waxman, Director, Department of Surgical Education, Cottage Hospital, Santa Barbara, CA; Peter L. Morris, Director of Pathology, Cottage Hospital, Santa Barbara, CA; Benjamin D. Shadle, Resident, Surgical Education, Cottage Hospital, Santa Barbara, CA

Marc Polecritti, General Surgery Resident; Christopher J. Esper, Chief General Surgery Resident; William R. Henwood, Attending General Surgeon; Robert Marx, Attending General Surgeon; R. Zane Kelley, General Surgery Resident; Steven Hand, General Surgery Resident; Lee Farber, General Surgery Intern, Department of Surgery, University of Pittsburgh Medical Center?Horizon Hospital, Pittsburgh, PA

Bernard M. Jaffe, Professor of Surgery, Department of Surgery, Tulane University School of Medicine, New Orleans, LA

Wayne Kuznar

Laura Brasseur

Focus on CAD/ACS Diagnoses

Sarah Pressman Lovinger, MD

Out-of-Network Lab Work Restricted

? Opposition to HPV Vaccine Misguided
? The True Concept of Ordering Tests

Merle Myerson, MD, FACC

Philip R. Alper, MD

Ronald L. Scott, JD, LLM

William D. Rogers, MD, FACEP

Thomas Valuck, MD, JD

Wayne Kuznar

Wayne Kuznar

Wayne Kuznar

Wayne Kuznar

Wayne Kuznar

Jill Stein

Jill Stein

John Schieszer

John Schieszer

Bruce Sylvester

Caroline Helwick

Bruce Sylvester

David S. MacDougall

Walter Alexander

Rosemary Frei, MSc

Rebekah McCallister

David S. MacDougall

Laura Brasseur

Rebekah McCallister

Daniel M. Keller, PhD

Jill Stein

Jill Stein

Rebekah McCallister

Rebekah McCallister

Rebekah McCallister

John Schieszer

Wayne Kuznar

Wayne Kuznar

Rebekah McCallister

Anna D. Garrett, PharmD, BCPS, CPP

Dr. Garrett is a clinical pharmacist practitioner at Cornerstone Health Care in High Point, NC.

Anna D. Garrett, PharmD, BCPS, CPP

Dr. Garrett is a clinical pharmacist practitioner at Cornerstone Health Care in High Point, NC.

Martin A. Erickson III, RPh

Mr. Erickson is director of professional affairs at Gallipot Inc.

Martin A. Erickson III, RPh

Mr. Erickson is director of professional affairs at Gallipot Inc.

Quinn Wells, MD, PharmD

Dana A. Brown, PharmD

Dr. Brown is an assistant professor of pharmacy practice at Palm Beach Atlantic University, Lloyd L. Gregory School of Pharmacy, West Palm Beach, Fla.

John R. Horn, PharmD, FCCP, and Philip D. Hansten, PharmD

Fred Eckel

Mr. Eckel is professor and director of the Office of Practice Development and Education at the School of Pharmacy, University of North Carolina at Chapel Hill.

Julie M. Gerhart, RPh, MS

Ms. Gerhart is manager of pharmacy affairs at Merck & Co Inc.

Wendy K. Bodine, Assistant Editor

Ed Lamb

Mr. Lamb is a freelance pharmacy writer living in Virginia Beach, Va and president of Thorough Cursor Inc.

Jim Middleton, BS, RPh

Mr. Middleton is an instructor of pharmacology at Kellogg Community College in Battle Creek, Mich.

Eileen Koutnik-Fotopoulos, Staff Writer

Joanne LaFleur, PharmD, MSPH

Dr. LaFleur is a research assistant professor in the University of Utah College of Pharmacy Pharmacotherapy Outcomes Research Center within the Department of Pharmacotherapy.

Jeannette Yeznach Wick, RPh, MBA, FASCP

Ms. Wick is a senior clinical research pharmacist at the National Cancer Institute, National Institutes of Health, Bethesda, Md. The views expressed are those of the author and not those of any government agency.

Cheryl A. Grandinetti, PharmD

Dr. Grandinetti is a senior clinical research pharmacist at the National Cancer Institute, National Institutes of Health, Rockville, Md. The views expressed are those of the author and not those of any government agency.

James C. McAllister III, MS, FASHP

Mr. McAllister is Pharmacy Times Editor, Health-systems Pharmacy Section and director of pharmacy at University of North Carolina Hospitals and Clinics.

Joseph L. Fink III, BSPharm, JD

Dr. Fink is professor of pharmacy law and policy at the University of Kentucky College of Pharmacy, Lexington.

Cmdr John Burke

John Burke, commander of the Warren County, Ohio, drug task force and retired commander of the Cincinnati Police Pharmaceutical Diversion Squad, is a 39-year veteran of law enforcement. Cmdr Burke also is the current president of the National Association of Drug Diversion Investigators. For information, he can be reached by e-mail at burke@choice.net, via the Web site www.rxdiversion.com, or by phone at 513-336-0070.

Michael J. Gaunt, PharmD

Dr. Gaunt is a medication safety analyst and the editor of ISMP Medication Safety Alert! Community/Ambulatory Care Edition.

Lauren S. Schlesselman, PharmD

Dr. Schlesselman is an assistant clinical professor at the University of Connecticut School of Pharmacy.

Yvette C. Terrie, BSPharm, RPh

Ms. Terrie is a clinical pharmacy writer based in Haymarket, Va.

Yvette Terrie, BSPharm, RPh

Yvette Terrie, BSPharm, RPh

Susan Farley

Ms. Farley is a freelance medical writer based in Wakefield, RI.

Julie Khani and Charles Sewell

Ms. Khani and Mr. Sewell are copresidents of the Coalition for Community Pharmacy Action.

Dana A. Brown, PharmD

Dr. Brown is an assistant professor of pharmacy practice at Palm Beach Atlantic University, Lloyd L. Gregory School of Pharmacy,West Palm Beach, Fla.

Guido R. Zanni, PhD

Dr. Zanni is a psychologist and health-systems consultant based in Alexandria, Va.

Iris Rosendahl

Ms. Rosendahl is a freelance writer based in Fort Lee, NJ.

Dawn S. Knudsen, PharmD

Dr. Knudsen is a clinical pharmacist at Arizona Medical Clinic, Peoria, Ariz.

Caryn Domenici, RPh; Alka Patel, RPh, PharmD

Ms. Domenici and Dr. Patel are both pharmacists at Brigham and Women's Hospital, Boston, Mass.

Monica Holmberg, PharmD

Dr. Holmberg is a pharmacy resident at the Carl T. Hayden Veterans Affairs Medical Center in Phoenix, Ariz.

Wendy K. Bodine, Assistant Editor

Wendy K. Bodine, Assistant Editor

Anna D. Garrett, PharmD, BCPS, CPP

Dr. Garrett is a clinical pharmacist practitioner at Cornerstone Health Care in High Point, NC.

Anna D. Garrett, PharmD, BCPS, CPP

Dr. Garrett is a clinical pharmacist practitioner at Cornerstone Health Care in High Point, NC.