Large retroperitoneal mass

• Ryan Lamm, MD,
• Wilbur B. Bowne, MD

Affiliations

Ryan Lamm, MD

Corresponding author at: 1025 Walnut St, Suite 620, Philadelphia, PA 19107. Tel.: +1 516-547-7676; fax: +1 438-600-3981.; Department of Surgery, Thomas Jefferson University Hospital, Philadelphia, PA 19107

Wilbur B. Bowne, MD

Department of Surgery, Thomas Jefferson University Hospital, Philadelphia, PA 19107