title: A challenging diagnosis.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging*; D056888:Patient Positioning / Q000379:methods*; D011860:Radiography, Abdominal / Q000379:methods*; D014057:Tomography, X-Ray Computed / Q000379:methods*