RT Journal T1 IMage of the month—diagnosis JF Archives of Surgery JO Archives of Surgery YR 2011 FD December 1 VO 146 IS 12 SP 1446 OP 1446 DO 10.1001/archsurg.146.12.1446 UL http://dx.doi.org/10.1001/archsurg.146.12.1446 AB