RT Journal Article SR Electronic T1 A 31-year-old man with abdominal pain and a rectal nodule JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 59 OP 62 DO 10.3949/ccjm.77a.10084 VO 78 IS 1 A1 Jacqueline Chu A1 J. Harry Isaacson YR 2011 UL http://www.ccjm.org/content/78/1/59.abstract AB