title: Pathologic quiz case: a 33-year-old man with an abdominal mass.
authors.affiliation: Department of Pathology, The George Washington University Medical Center, 901 23rd St NW, Washington, DC 20037, USA.
authors.forename: S C
authors.initials: SC
authors.lastname: Mathur
authors.forename: A M
authors.initials: AM
authors.lastname: Schwartz
mesh_terms: D000328:Adult; D014408:Biomarkers, Tumor / Q000032:analysis; D018276:Carcinoma, Medullary / Q000737:chemistry / Q000175:diagnosis*; D017809:Fatal Outcome; D006801:Humans; D007150:Immunohistochemistry; D007680:Kidney Neoplasms / Q000737:chemistry / Q000175:diagnosis*; D008297:Male; D012805:Sickle Cell Trait / Q000473:pathology; D014057:Tomography, X-Ray Computed
chemical_list: D014408:Biomarkers, Tumor